./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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 17f31a6b2182ab6fb9366b046f0555cf75024d83fd5de3f62f425dc4c017ea51 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:10,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:10,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:23:10,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:10,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:10,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:10,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:10,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:10,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:10,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:10,901 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:10,902 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:10,902 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:10,902 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:23:10,903 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:10,903 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:10,904 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:23:10,904 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:23:10,905 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:10,906 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:23:10,906 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:23:10,907 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:23:10,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:10,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:10,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:10,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:23:10,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:10,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:10,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:10,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:10,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:10,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:10,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:10,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:10,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:10,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:10,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:10,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:10,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:10,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:10,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:10,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:10,920 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:23:10,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:23:10,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:10,920 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:10,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:10,921 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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17f31a6b2182ab6fb9366b046f0555cf75024d83fd5de3f62f425dc4c017ea51 [2024-11-02 12:23:11,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:11,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:11,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:11,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:11,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:11,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i Unable to find full path for "g++" [2024-11-02 12:23:13,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:13,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:13,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i [2024-11-02 12:23:13,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/data/4edd0441a/2ecded1fd01c412ea17cfa5b94650743/FLAG29ee4e4ee [2024-11-02 12:23:13,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/data/4edd0441a/2ecded1fd01c412ea17cfa5b94650743 [2024-11-02 12:23:13,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:13,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:13,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:13,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:13,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:13,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:13" (1/1) ... [2024-11-02 12:23:13,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76467f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:13, skipping insertion in model container [2024-11-02 12:23:13,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:13" (1/1) ... [2024-11-02 12:23:14,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:14,418 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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i[916,929] [2024-11-02 12:23:14,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:14,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:14,671 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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i[916,929] [2024-11-02 12:23:14,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:14,851 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:14,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14 WrapperNode [2024-11-02 12:23:14,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:14,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:14,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:14,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:14,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:14,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:14,997 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 195 [2024-11-02 12:23:15,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:15,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:15,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:15,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:15,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:15,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:15,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:15,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:15,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (1/1) ... [2024-11-02 12:23:15,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:15,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:15,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:15,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:23:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:23:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:23:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:15,350 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:15,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:15,910 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:15,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:16,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:16,234 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:16,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:16 BoogieIcfgContainer [2024-11-02 12:23:16,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:16,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:16,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:16,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:16,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:13" (1/3) ... [2024-11-02 12:23:16,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c28335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:16, skipping insertion in model container [2024-11-02 12:23:16,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:14" (2/3) ... [2024-11-02 12:23:16,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c28335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:16, skipping insertion in model container [2024-11-02 12:23:16,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:16" (3/3) ... [2024-11-02 12:23:16,250 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-24.i [2024-11-02 12:23:16,277 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:16,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:16,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:16,372 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;@5ca952bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:16,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-02 12:23:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-02 12:23:16,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:16,392 INFO L215 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:16,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:16,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:16,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1793607653, now seen corresponding path program 1 times [2024-11-02 12:23:16,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:23:16,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535229065] [2024-11-02 12:23:16,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:16,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:23:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:23:17,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:23:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:23:17,634 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:23:17,636 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:23:17,637 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:23:17,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:23:17,644 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:23:17,783 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:23:17,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:23:17 BoogieIcfgContainer [2024-11-02 12:23:17,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:23:17,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:23:17,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:23:17,790 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:23:17,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:16" (3/4) ... [2024-11-02 12:23:17,793 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:23:17,794 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:23:17,796 INFO L158 Benchmark]: Toolchain (without parser) took 3876.75ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 126.4MB in the beginning and 130.9MB in the end (delta: -4.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-11-02 12:23:17,796 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:17,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 932.66ms. Allocated memory is still 165.7MB. Free memory was 126.4MB in the beginning and 107.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-02 12:23:17,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.40ms. Allocated memory is still 165.7MB. Free memory was 107.5MB in the beginning and 102.9MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:23:17,802 INFO L158 Benchmark]: Boogie Preprocessor took 115.80ms. Allocated memory is still 165.7MB. Free memory was 102.9MB in the beginning and 100.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:23:17,803 INFO L158 Benchmark]: RCFGBuilder took 1111.56ms. Allocated memory is still 165.7MB. Free memory was 100.3MB in the beginning and 111.3MB in the end (delta: -11.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-02 12:23:17,803 INFO L158 Benchmark]: TraceAbstraction took 1549.12ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 111.3MB in the beginning and 131.9MB in the end (delta: -20.6MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2024-11-02 12:23:17,803 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 220.2MB. Free memory was 131.9MB in the beginning and 130.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:23:17,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 932.66ms. Allocated memory is still 165.7MB. Free memory was 126.4MB in the beginning and 107.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.40ms. Allocated memory is still 165.7MB. Free memory was 107.5MB in the beginning and 102.9MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.80ms. Allocated memory is still 165.7MB. Free memory was 102.9MB in the beginning and 100.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.56ms. Allocated memory is still 165.7MB. Free memory was 100.3MB in the beginning and 111.3MB in the end (delta: -11.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1549.12ms. Allocated memory was 165.7MB in the beginning and 220.2MB in the end (delta: 54.5MB). Free memory was 111.3MB in the beginning and 131.9MB in the end (delta: -20.6MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 220.2MB. Free memory was 131.9MB in the beginning and 130.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 69, overapproximation of someUnaryFLOAToperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.8; [L23] float var_1_5 = 10000000000.75; [L24] float var_1_6 = 50.5; [L25] float var_1_7 = 3.875; [L26] unsigned long int var_1_8 = 256; [L27] unsigned short int var_1_10 = 1; [L28] unsigned char var_1_11 = 1; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 0; [L32] unsigned char var_1_16 = 1; [L33] unsigned char var_1_17 = 0; [L34] unsigned char var_1_18 = 64; [L35] unsigned char var_1_19 = 2; [L36] unsigned long int var_1_20 = 64; [L37] signed char var_1_21 = 2; [L38] signed char var_1_22 = 8; [L39] signed char var_1_23 = 10; [L40] signed char var_1_24 = 10; [L41] signed char var_1_25 = 1; [L42] signed char var_1_26 = 10; [L43] unsigned char var_1_27 = 4; [L44] float var_1_28 = 32.5; [L45] float var_1_29 = 0.0; [L46] float var_1_30 = 127.5; [L47] float var_1_31 = 5.25; [L48] float var_1_32 = 9.4; [L49] float var_1_33 = 5.4; [L50] float var_1_34 = 0.5; [L51] unsigned char last_1_var_1_27 = 4; [L179] isInitial = 1 [L180] FCALL initially() [L181] int k_loop; [L182] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_5=40000000003/4, var_1_6=101/2, var_1_7=31/8, var_1_8=256] [L182] COND TRUE k_loop < 1 [L183] CALL updateLastVariables() [L172] last_1_var_1_27 = var_1_27 [L183] RET updateLastVariables() [L184] CALL updateVariables() [L126] var_1_5 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=101/2, var_1_7=31/8, var_1_8=256] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=101/2, var_1_7=31/8, var_1_8=256] [L128] var_1_6 = __VERIFIER_nondet_float() [L129] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_7=31/8, var_1_8=256] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_7=31/8, var_1_8=256] [L130] var_1_7 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L132] var_1_13 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L134] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L135] var_1_14 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L137] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L138] var_1_17 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L140] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L141] var_1_18 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_18 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_18 >= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L143] CALL assume_abort_if_not(var_1_18 <= 128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_18 <= 128) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L144] var_1_19 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L146] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L147] var_1_22 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L149] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L150] var_1_23 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L152] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L153] var_1_24 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L155] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L156] var_1_25 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L158] CALL assume_abort_if_not(var_1_25 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_25 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L159] var_1_26 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L161] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L162] var_1_29 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_29 >= 4611686.018427382800e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_29 >= 4611686.018427382800e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L164] var_1_30 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L166] var_1_32 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_32 >= -230584.3009213691390e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 2305843.009213691390e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_32 >= -230584.3009213691390e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 2305843.009213691390e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L168] var_1_33 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_33 >= -230584.3009213691390e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 2305843.009213691390e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_33 >= -230584.3009213691390e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 2305843.009213691390e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_34=1/2, var_1_8=256] [L184] RET updateVariables() [L185] CALL step() [L55] var_1_10 = last_1_var_1_27 [L56] signed long int stepLocal_2 = (var_1_18 + 64) - var_1_19; [L57] COND FALSE !(\read(var_1_13)) [L60] COND TRUE var_1_10 <= stepLocal_2 [L61] var_1_16 = var_1_14 [L66] COND TRUE \read(var_1_16) [L67] var_1_28 = ((((var_1_7) > (24.8f)) ? (var_1_7) : (24.8f))) [L71] COND FALSE !(((1.5899999999999999 * var_1_5) * (var_1_28 / 9.5)) <= var_1_6) [L74] COND TRUE \read(var_1_16) [L75] var_1_11 = (var_1_16 && var_1_13) [L79] COND FALSE !((var_1_5 * var_1_28) < var_1_7) [L82] var_1_15 = (! var_1_13) [L84] var_1_21 = ((((((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) < 0 ) ? -((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) : ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) - var_1_26)) [L85] COND FALSE !(var_1_10 <= var_1_21) [L88] COND FALSE !(var_1_10 >= (((((var_1_18 + var_1_26)) < (25)) ? ((var_1_18 + var_1_26)) : (25)))) [L91] var_1_31 = (32.5f - (64.4f + var_1_30)) [L94] COND TRUE (- 3.75) < var_1_29 [L95] var_1_34 = (((((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) < 0 ) ? -((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) : ((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))))) [L99] unsigned short int stepLocal_0 = var_1_10; [L100] COND TRUE var_1_27 <= stepLocal_0 [L101] var_1_1 = (var_1_5 - var_1_6) [L105] COND FALSE !(var_1_10 > var_1_27) [L112] var_1_20 = var_1_19 [L114] unsigned char stepLocal_1 = var_1_27; [L115] COND FALSE !(var_1_5 >= var_1_6) [L122] var_1_8 = var_1_27 [L185] RET step() [L186] CALL, EXPR property() [L175-L176] return ((((((((((((var_1_27 <= var_1_10) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : (var_1_1 == ((float) (10.5f + var_1_7)))) && ((var_1_5 >= var_1_6) ? ((var_1_27 < var_1_20) ? (var_1_8 == ((unsigned long int) (((((var_1_20 + ((((var_1_27) > (var_1_10)) ? (var_1_27) : (var_1_10))))) > (1u)) ? ((var_1_20 + ((((var_1_27) > (var_1_10)) ? (var_1_27) : (var_1_10))))) : (1u))))) : (var_1_8 == ((unsigned long int) var_1_10))) : (var_1_8 == ((unsigned long int) var_1_27)))) && (var_1_10 == ((unsigned short int) last_1_var_1_27))) && (var_1_16 ? (var_1_11 == ((unsigned char) (var_1_16 && var_1_13))) : (var_1_11 == ((unsigned char) ((! var_1_13) && var_1_14))))) && (((var_1_5 * var_1_28) < var_1_7) ? (var_1_15 == ((unsigned char) ((var_1_11 && var_1_13) || (! var_1_14)))) : (var_1_15 == ((unsigned char) (! var_1_13))))) && (var_1_13 ? (var_1_16 == ((unsigned char) (var_1_14 && var_1_17))) : ((var_1_10 <= ((var_1_18 + 64) - var_1_19)) ? (var_1_16 == ((unsigned char) var_1_14)) : (var_1_16 == ((unsigned char) var_1_14))))) && ((var_1_10 > var_1_27) ? (((var_1_19 << 1) > (var_1_10 - (var_1_27 + var_1_27))) ? (var_1_20 == ((unsigned long int) (((((((var_1_18) < (2u)) ? (var_1_18) : (2u))) < 0 ) ? -((((var_1_18) < (2u)) ? (var_1_18) : (2u))) : ((((var_1_18) < (2u)) ? (var_1_18) : (2u))))))) : (var_1_20 == ((unsigned long int) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19)))))) : (var_1_20 == ((unsigned long int) var_1_19)))) && (var_1_21 == ((signed char) ((((((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) < 0 ) ? -((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) : ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) - var_1_26))))) && ((((1.5899999999999999 * var_1_5) * (var_1_28 / 9.5)) <= var_1_6) ? (var_1_27 == ((unsigned char) var_1_19)) : 1)) && (var_1_16 ? (var_1_28 == ((float) ((((var_1_7) > (24.8f)) ? (var_1_7) : (24.8f))))) : (var_1_28 == ((float) (((((((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) - (var_1_29 - var_1_30))) < (var_1_7)) ? ((((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) - (var_1_29 - var_1_30))) : (var_1_7))))))) && ((var_1_10 <= var_1_21) ? (var_1_31 == ((float) ((var_1_32 + var_1_33) + ((((var_1_7) > (var_1_30)) ? (var_1_7) : (var_1_30)))))) : ((var_1_10 >= (((((var_1_18 + var_1_26)) < (25)) ? ((var_1_18 + var_1_26)) : (25)))) ? (var_1_31 == ((float) (var_1_32 + ((((((((var_1_33) < (var_1_30)) ? (var_1_33) : (var_1_30)))) < (var_1_7)) ? (((((var_1_33) < (var_1_30)) ? (var_1_33) : (var_1_30)))) : (var_1_7)))))) : (var_1_31 == ((float) (32.5f - (64.4f + var_1_30))))))) && (((- 3.75) < var_1_29) ? (var_1_34 == ((float) (((((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) < 0 ) ? -((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) : ((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))))))) : (var_1_34 == ((float) ((((var_1_30) < (8.75f)) ? (var_1_30) : (8.75f)))))) ; [L186] RET, EXPR property() [L186] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=4, var_1_11=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_20=127, var_1_21=-1, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=124/5, var_1_30=35/4, var_1_34=35/4, var_1_7=124/5, var_1_8=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_27=4, var_1_10=4, var_1_11=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=0, var_1_18=127, var_1_19=127, var_1_20=127, var_1_21=-1, var_1_22=1, var_1_23=1, var_1_24=61, var_1_25=60, var_1_26=63, var_1_27=4, var_1_28=124/5, var_1_30=35/4, var_1_34=35/4, var_1_7=124/5, var_1_8=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 27, 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=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:23:17,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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 17f31a6b2182ab6fb9366b046f0555cf75024d83fd5de3f62f425dc4c017ea51 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:23:20,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:23:20,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:23:20,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:23:20,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:23:20,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:23:20,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:23:20,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:23:20,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:23:20,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:23:20,674 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:23:20,674 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:23:20,674 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:23:20,675 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:23:20,675 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:23:20,675 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:23:20,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:23:20,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:23:20,681 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:23:20,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:23:20,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:23:20,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:23:20,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:23:20,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:23:20,683 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:23:20,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:23:20,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:23:20,683 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:23:20,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:23:20,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:23:20,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:23:20,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:23:20,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:23:20,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:23:20,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:23:20,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:20,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:23:20,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:23:20,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:23:20,688 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:23:20,688 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:23:20,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:23:20,689 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:23:20,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:23:20,690 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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17f31a6b2182ab6fb9366b046f0555cf75024d83fd5de3f62f425dc4c017ea51 [2024-11-02 12:23:21,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:23:21,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:23:21,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:23:21,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:23:21,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:23:21,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i Unable to find full path for "g++" [2024-11-02 12:23:23,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:23:23,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:23:23,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i [2024-11-02 12:23:23,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/data/10b28b5b8/ac58f4e4a78a4da38a346c3657321e6a/FLAG9405bc3fe [2024-11-02 12:23:24,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/data/10b28b5b8/ac58f4e4a78a4da38a346c3657321e6a [2024-11-02 12:23:24,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:23:24,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:23:24,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:24,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:23:24,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:23:24,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:24" (1/1) ... [2024-11-02 12:23:24,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eaad034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:24, skipping insertion in model container [2024-11-02 12:23:24,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:24" (1/1) ... [2024-11-02 12:23:24,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:23:24,727 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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i[916,929] [2024-11-02 12:23:24,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:24,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:23:24,944 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_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-24.i[916,929] [2024-11-02 12:23:25,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:23:25,053 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:23:25,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25 WrapperNode [2024-11-02 12:23:25,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:23:25,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:25,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:23:25,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:23:25,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,134 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2024-11-02 12:23:25,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:23:25,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:23:25,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:23:25,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:23:25,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:23:25,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:23:25,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:23:25,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:23:25,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (1/1) ... [2024-11-02 12:23:25,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:23:25,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:23:25,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:23:25,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:23:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:23:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:23:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:23:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:23:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:23:25,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:23:25,398 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:23:25,401 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:23:35,221 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-02 12:23:35,221 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:23:35,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:23:35,240 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:23:35,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:35 BoogieIcfgContainer [2024-11-02 12:23:35,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:23:35,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:23:35,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:23:35,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:23:35,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:24" (1/3) ... [2024-11-02 12:23:35,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32de87c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:35, skipping insertion in model container [2024-11-02 12:23:35,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:25" (2/3) ... [2024-11-02 12:23:35,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32de87c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:35, skipping insertion in model container [2024-11-02 12:23:35,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:35" (3/3) ... [2024-11-02 12:23:35,252 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-24.i [2024-11-02 12:23:35,271 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:23:35,271 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:23:35,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:23:35,360 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;@2759675b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:23:35,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:23:35,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-02 12:23:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-02 12:23:35,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:35,390 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:35,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:35,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:35,398 INFO L85 PathProgramCache]: Analyzing trace with hash -556349966, now seen corresponding path program 1 times [2024-11-02 12:23:35,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:35,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547204095] [2024-11-02 12:23:35,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:35,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:23:35,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:35,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:23:35,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:23:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:36,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:23:36,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-11-02 12:23:36,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:23:36,997 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:36,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547204095] [2024-11-02 12:23:36,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547204095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:23:36,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:23:36,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:23:37,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170849802] [2024-11-02 12:23:37,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:23:37,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:23:37,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:23:37,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:23:37,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:23:37,058 INFO L87 Difference]: Start difference. First operand has 81 states, 51 states have (on average 1.3725490196078431) internal successors, (70), 52 states have internal predecessors, (70), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-02 12:23:37,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:23:37,098 INFO L93 Difference]: Finished difference Result 159 states and 272 transitions. [2024-11-02 12:23:37,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:23:37,101 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-02 12:23:37,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:23:37,109 INFO L225 Difference]: With dead ends: 159 [2024-11-02 12:23:37,109 INFO L226 Difference]: Without dead ends: 77 [2024-11-02 12:23:37,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:23:37,117 INFO L432 NwaCegarLoop]: 121 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, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:23:37,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:23:37,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-02 12:23:37,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-02 12:23:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-02 12:23:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 117 transitions. [2024-11-02 12:23:37,185 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 117 transitions. Word has length 174 [2024-11-02 12:23:37,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:23:37,186 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 117 transitions. [2024-11-02 12:23:37,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-02 12:23:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2024-11-02 12:23:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-02 12:23:37,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:23:37,192 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:23:37,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/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)] Forceful destruction successful, exit code 0 [2024-11-02 12:23:37,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:23:37,396 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:23:37,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:23:37,397 INFO L85 PathProgramCache]: Analyzing trace with hash -54200064, now seen corresponding path program 1 times [2024-11-02 12:23:37,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:23:37,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144265432] [2024-11-02 12:23:37,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:37,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:23:37,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:23:37,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:23:37,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:23:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:39,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:23:39,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:23:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 386 proven. 66 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2024-11-02 12:23:43,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:23:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 12 proven. 66 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-02 12:23:46,527 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:23:46,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144265432] [2024-11-02 12:23:46,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144265432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:23:46,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [953497314] [2024-11-02 12:23:46,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:23:46,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:23:46,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:23:46,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:23:46,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecde99de-9b11-4cfd-b4e3-a17d7318faf6/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-02 12:23:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:23:51,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:23:51,061 INFO L278 TraceCheckSpWp]: Computing forward predicates...