./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/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_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/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_59fb0632-9267-4586-9a9c-5607b312de97/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 7ae159cf755ce378f88e7fb84068dbbfe894d6694e3ffbded2db31d9aad9b170 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:42,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:42,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:25:42,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:42,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:42,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:42,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:42,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:42,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:42,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:42,513 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:42,514 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:42,514 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:42,516 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:25:42,517 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:42,517 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:42,518 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:25:42,518 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:25:42,522 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:42,522 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:25:42,523 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:25:42,523 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:25:42,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:42,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:42,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:25:42,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:25:42,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:25:42,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:42,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:42,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:42,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:42,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:42,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:25:42,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:42,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:42,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:42,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:42,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:42,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:42,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:42,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:42,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:42,554 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:25:42,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:25:42,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:42,555 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:42,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:42,556 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_59fb0632-9267-4586-9a9c-5607b312de97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ae159cf755ce378f88e7fb84068dbbfe894d6694e3ffbded2db31d9aad9b170 [2024-11-02 11:25:42,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:42,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:42,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:42,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:42,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:42,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i Unable to find full path for "g++" [2024-11-02 11:25:45,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:45,361 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:45,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i [2024-11-02 11:25:45,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/data/e11b40b1f/62df84411acd44eaac7b277562eb25f9/FLAG010f376a1 [2024-11-02 11:25:45,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/data/e11b40b1f/62df84411acd44eaac7b277562eb25f9 [2024-11-02 11:25:45,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:45,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:45,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:45,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:45,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:45,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:45,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8204787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45, skipping insertion in model container [2024-11-02 11:25:45,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:45,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:45,685 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_59fb0632-9267-4586-9a9c-5607b312de97/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i[917,930] [2024-11-02 11:25:45,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:45,810 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:45,828 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_59fb0632-9267-4586-9a9c-5607b312de97/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i[917,930] [2024-11-02 11:25:45,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:45,908 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:45,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45 WrapperNode [2024-11-02 11:25:45,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:45,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:45,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:45,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:45,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:45,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:45,998 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2024-11-02 11:25:45,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:45,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:45,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:46,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:46,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:46,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:46,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:46,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:46,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (1/1) ... [2024-11-02 11:25:46,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:46,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:46,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:46,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:25:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:25:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:25:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:46,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:46,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:46,786 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-02 11:25:46,786 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:47,239 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:47,239 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:25:47,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:47 BoogieIcfgContainer [2024-11-02 11:25:47,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:47,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:47,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:47,248 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:47,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:45" (1/3) ... [2024-11-02 11:25:47,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354d974f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:47, skipping insertion in model container [2024-11-02 11:25:47,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:45" (2/3) ... [2024-11-02 11:25:47,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354d974f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:47, skipping insertion in model container [2024-11-02 11:25:47,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:47" (3/3) ... [2024-11-02 11:25:47,254 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-97.i [2024-11-02 11:25:47,274 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:47,275 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:25:47,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:47,373 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;@16dab481, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:47,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:25:47,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-02 11:25:47,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-02 11:25:47,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:47,392 INFO L215 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:47,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:47,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:47,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2111471513, now seen corresponding path program 1 times [2024-11-02 11:25:47,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:47,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061293789] [2024-11-02 11:25:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:47,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:48,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:25:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:48,442 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:25:48,444 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:25:48,446 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:25:48,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 11:25:48,453 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:25:48,568 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:25:48,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:25:48 BoogieIcfgContainer [2024-11-02 11:25:48,575 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:25:48,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:25:48,576 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:25:48,577 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:25:48,577 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:47" (3/4) ... [2024-11-02 11:25:48,581 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:25:48,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:25:48,584 INFO L158 Benchmark]: Toolchain (without parser) took 3184.62ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 120.9MB in the beginning and 139.5MB in the end (delta: -18.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-11-02 11:25:48,585 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 159.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:48,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.68ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 104.6MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 11:25:48,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.45ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 99.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 11:25:48,588 INFO L158 Benchmark]: Boogie Preprocessor took 70.08ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 97.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:48,589 INFO L158 Benchmark]: RCFGBuilder took 1170.39ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 97.3MB in the beginning and 147.2MB in the end (delta: -49.9MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-02 11:25:48,591 INFO L158 Benchmark]: TraceAbstraction took 1331.70ms. Allocated memory is still 211.8MB. Free memory was 146.1MB in the beginning and 140.5MB in the end (delta: 5.6MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-02 11:25:48,592 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 211.8MB. Free memory was 140.5MB in the beginning and 139.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:48,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 159.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.68ms. Allocated memory is still 159.4MB. Free memory was 120.9MB in the beginning and 104.6MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.45ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 99.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.08ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 97.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1170.39ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 97.3MB in the beginning and 147.2MB in the end (delta: -49.9MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1331.70ms. Allocated memory is still 211.8MB. Free memory was 146.1MB in the beginning and 140.5MB in the end (delta: 5.6MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 211.8MB. Free memory was 140.5MB in the beginning and 139.5MB 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 77, overapproximation of bitwiseOr at line 63, overapproximation of bitwiseAnd at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 2; [L23] unsigned short int var_1_2 = 16; [L24] unsigned short int var_1_3 = 32; [L25] unsigned char var_1_4 = 1; [L26] signed long int var_1_5 = 5; [L27] signed long int var_1_6 = 2; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] float var_1_9 = 128.6; [L31] float var_1_10 = 32.5; [L32] unsigned char var_1_11 = 16; [L33] unsigned char var_1_12 = 64; [L34] unsigned char var_1_13 = 4; [L35] unsigned char var_1_14 = 4; [L36] unsigned long int var_1_15 = 0; [L37] signed short int var_1_16 = 0; [L38] signed char var_1_17 = 1; [L39] signed char var_1_18 = -1; [L40] signed char var_1_19 = 0; [L41] signed long int var_1_20 = -64; [L42] signed long int var_1_21 = 25; [L43] unsigned char var_1_22 = 0; [L44] unsigned char var_1_23 = 0; [L148] isInitial = 1 [L149] FCALL initially() [L150] COND TRUE 1 [L151] FCALL updateLastVariables() [L152] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L99] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_3=32, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L100] var_1_3 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L102] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L103] var_1_4 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L105] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=2, var_1_7=1, var_1_8=0, var_1_9=643/5] [L106] var_1_6 = __VERIFIER_nondet_long() [L107] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L108] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=643/5] [L109] var_1_7 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_8=0, var_1_9=643/5] [L111] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=643/5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=643/5] [L112] var_1_9 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=65/2, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L114] var_1_10 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=16, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L116] var_1_11 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L118] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_11=126, var_1_12=64, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L119] var_1_12 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_12 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_12 >= 63) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L121] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=4, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L122] var_1_13 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L124] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=4, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L125] var_1_14 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L127] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-1, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L128] var_1_18 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L130] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=0, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L131] var_1_19 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_19 >= -15) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_19 >= -15) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L133] CALL assume_abort_if_not(var_1_19 <= 16) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_19 <= 16) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=25, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L134] var_1_21 = __VERIFIER_nondet_long() [L135] CALL assume_abort_if_not(var_1_21 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=2147483646, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_21 >= -2147483647) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=2147483646, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L136] CALL assume_abort_if_not(var_1_21 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=2147483646, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_21 <= 2147483646) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=2147483646, var_1_22=0, var_1_23=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L137] var_1_23 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=2147483646, var_1_22=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=2147483646, var_1_22=0, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L139] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=2147483646, var_1_22=0, var_1_23=-256, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=-31, var_1_19=-15, var_1_1=2, var_1_20=-64, var_1_21=2147483646, var_1_22=0, var_1_23=-256, var_1_4=1, var_1_5=5, var_1_6=0, var_1_7=0, var_1_8=0] [L152] RET updateVariables() [L153] CALL step() [L48] signed long int stepLocal_1 = var_1_2 + var_1_3; [L49] signed long int stepLocal_0 = - var_1_3; [L50] COND FALSE !(stepLocal_1 < -200) [L61] var_1_1 = var_1_2 [L63] EXPR (32 * -25) | var_1_2 [L63] signed long int stepLocal_4 = (32 * -25) | var_1_2; [L64] unsigned char stepLocal_3 = var_1_4; [L65] signed long int stepLocal_2 = var_1_3 - (var_1_2 + var_1_6); [L66] COND TRUE 256 > stepLocal_2 [L67] var_1_5 = var_1_2 [L77] COND FALSE !(var_1_9 > var_1_10) [L80] COND FALSE !(\read(var_1_7)) [L83] var_1_16 = (((((var_1_8) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_8) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11) [L84] COND TRUE \read(var_1_4) [L85] EXPR var_1_13 & (var_1_16 / 2) [L85] COND FALSE !(var_1_14 < (var_1_13 & (var_1_16 / 2))) [L88] var_1_17 = var_1_18 [L93] var_1_20 = var_1_21 [L94] var_1_22 = var_1_23 [L153] RET step() [L154] CALL, EXPR property() [L144] EXPR (((var_1_2 + var_1_3) < -200) ? (var_1_4 ? ((var_1_2 > (- var_1_3)) ? (var_1_1 == ((unsigned long int) var_1_2)) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) && ((256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L144] EXPR (256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000))) [L144] EXPR (((var_1_2 + var_1_3) < -200) ? (var_1_4 ? ((var_1_2 > (- var_1_3)) ? (var_1_1 == ((unsigned long int) var_1_2)) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) && ((256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000)))) [L144] EXPR (((((((var_1_2 + var_1_3) < -200) ? (var_1_4 ? ((var_1_2 > (- var_1_3)) ? (var_1_1 == ((unsigned long int) var_1_2)) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) && ((256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_7 ? (var_1_15 == ((unsigned long int) var_1_6)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_8) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_8) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_4 ? ((var_1_14 < (var_1_13 & (var_1_16 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32))) [L144-L145] return (((((((((var_1_2 + var_1_3) < -200) ? (var_1_4 ? ((var_1_2 > (- var_1_3)) ? (var_1_1 == ((unsigned long int) var_1_2)) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) : (var_1_1 == ((unsigned long int) var_1_2))) && ((256 > (var_1_3 - (var_1_2 + var_1_6))) ? (var_1_5 == ((signed long int) var_1_2)) : ((var_1_4 || var_1_7) ? ((((32 * -25) | var_1_2) >= var_1_3) ? (var_1_5 == ((signed long int) var_1_6)) : 1) : (var_1_5 == ((signed long int) -10000))))) && ((var_1_9 > var_1_10) ? (var_1_8 == ((unsigned char) (((((var_1_11 + (var_1_12 - var_1_13))) < ((5 + var_1_14))) ? ((var_1_11 + (var_1_12 - var_1_13))) : ((5 + var_1_14)))))) : 1)) && (var_1_7 ? (var_1_15 == ((unsigned long int) var_1_6)) : 1)) && (var_1_16 == ((signed short int) (((((var_1_8) < (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) ? (var_1_8) : (((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12)))))) - var_1_11)))) && (var_1_4 ? ((var_1_14 < (var_1_13 & (var_1_16 / 2))) ? (var_1_17 == ((signed char) (var_1_13 + (var_1_18 + (var_1_19 + 5))))) : (var_1_17 == ((signed char) var_1_18))) : (var_1_17 == ((signed char) -32)))) && (var_1_20 == ((signed long int) var_1_21))) && (var_1_22 == ((unsigned char) var_1_23)) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=-126, var_1_17=-31, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=2147483646, var_1_21=2147483646, var_1_22=-256, var_1_23=-256, var_1_2=0, var_1_3=255, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_11=126, var_1_12=63, var_1_13=62, var_1_14=127, var_1_15=0, var_1_16=-126, var_1_17=-31, var_1_18=-31, var_1_19=-15, var_1_1=0, var_1_20=2147483646, var_1_21=2147483646, var_1_22=-256, var_1_23=-256, var_1_2=0, var_1_3=255, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=52occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 11:25:48,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/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_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/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_59fb0632-9267-4586-9a9c-5607b312de97/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 7ae159cf755ce378f88e7fb84068dbbfe894d6694e3ffbded2db31d9aad9b170 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:51,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:51,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:25:51,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:51,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:51,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:51,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:51,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:51,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:51,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:51,446 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:51,447 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:51,447 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:51,449 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:51,449 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:51,450 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:51,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:51,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:51,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:25:51,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:25:51,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:51,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:51,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:51,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:51,453 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:25:51,453 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:25:51,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:51,454 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:25:51,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:25:51,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:51,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:51,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:51,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:25:51,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:51,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:51,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:51,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:51,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:51,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:51,458 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:25:51,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:25:51,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:51,472 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:51,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:51,472 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_59fb0632-9267-4586-9a9c-5607b312de97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ae159cf755ce378f88e7fb84068dbbfe894d6694e3ffbded2db31d9aad9b170 [2024-11-02 11:25:51,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:51,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:51,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:51,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:51,933 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:51,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i Unable to find full path for "g++" [2024-11-02 11:25:54,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:54,890 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:54,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i [2024-11-02 11:25:54,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/data/1f9da767b/ae4562e0ab4049c9b49547f6e1d52e08/FLAG6dd48d781 [2024-11-02 11:25:54,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/data/1f9da767b/ae4562e0ab4049c9b49547f6e1d52e08 [2024-11-02 11:25:54,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:54,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:54,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:54,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:54,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:54,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:54" (1/1) ... [2024-11-02 11:25:54,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187f4ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:54, skipping insertion in model container [2024-11-02 11:25:54,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:54" (1/1) ... [2024-11-02 11:25:54,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:55,350 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_59fb0632-9267-4586-9a9c-5607b312de97/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i[917,930] [2024-11-02 11:25:55,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:55,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:55,496 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_59fb0632-9267-4586-9a9c-5607b312de97/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-97.i[917,930] [2024-11-02 11:25:55,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:55,589 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:55,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55 WrapperNode [2024-11-02 11:25:55,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:55,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:55,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:55,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:55,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,692 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2024-11-02 11:25:55,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:55,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:55,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:55,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:55,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:55,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:55,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:55,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:55,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (1/1) ... [2024-11-02 11:25:55,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:55,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:55,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:55,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:25:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:25:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:25:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:55,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:55,956 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:56,366 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-02 11:25:56,366 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:56,384 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:56,384 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:25:56,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:56 BoogieIcfgContainer [2024-11-02 11:25:56,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:56,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:56,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:56,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:56,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:54" (1/3) ... [2024-11-02 11:25:56,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ebc6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:56, skipping insertion in model container [2024-11-02 11:25:56,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:55" (2/3) ... [2024-11-02 11:25:56,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ebc6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:56, skipping insertion in model container [2024-11-02 11:25:56,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:56" (3/3) ... [2024-11-02 11:25:56,399 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-97.i [2024-11-02 11:25:56,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:56,423 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:25:56,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:56,527 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;@1cbd33d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:56,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:25:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-02 11:25:56,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-02 11:25:56,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:56,558 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:56,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:56,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:56,567 INFO L85 PathProgramCache]: Analyzing trace with hash -859110449, now seen corresponding path program 1 times [2024-11-02 11:25:56,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:56,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950023003] [2024-11-02 11:25:56,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:56,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:56,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:56,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:25:56,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 11:25:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:56,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:25:56,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:25:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-11-02 11:25:56,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:25:56,977 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:25:56,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950023003] [2024-11-02 11:25:56,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950023003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:56,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:25:56,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127234872] [2024-11-02 11:25:56,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:56,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:25:56,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:25:57,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:25:57,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:25:57,023 INFO L87 Difference]: Start difference. First operand has 75 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-02 11:25:57,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:57,060 INFO L93 Difference]: Finished difference Result 143 states and 252 transitions. [2024-11-02 11:25:57,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:25:57,063 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 172 [2024-11-02 11:25:57,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:57,072 INFO L225 Difference]: With dead ends: 143 [2024-11-02 11:25:57,072 INFO L226 Difference]: Without dead ends: 71 [2024-11-02 11:25:57,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:25:57,080 INFO L432 NwaCegarLoop]: 108 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, 108 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 11:25:57,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:25:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-02 11:25:57,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-02 11:25:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 41 states have internal predecessors, (52), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-02 11:25:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2024-11-02 11:25:57,144 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 172 [2024-11-02 11:25:57,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:57,148 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2024-11-02 11:25:57,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-02 11:25:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2024-11-02 11:25:57,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-02 11:25:57,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:57,156 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:57,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 11:25:57,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:57,358 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:57,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:57,359 INFO L85 PathProgramCache]: Analyzing trace with hash 844363659, now seen corresponding path program 1 times [2024-11-02 11:25:57,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:57,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096174308] [2024-11-02 11:25:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:57,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:25:57,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:57,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 11:25:57,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fb0632-9267-4586-9a9c-5607b312de97/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 11:25:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:57,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-02 11:25:57,684 INFO L278 TraceCheckSpWp]: Computing forward predicates...