./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-nonlinear/color-magicseries2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-nonlinear/color-magicseries2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f056be744fcae26accb2c049a9cf7a4321bd3ba6c0302870967f442303a6d9cc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:36:33,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:33,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:36:33,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:36:33,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:36:33,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:33,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:33,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:36:33,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:33,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:33,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:33,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:33,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:36:33,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:36:33,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:36:33,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:33,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:33,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:33,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:33,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:33,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:36:33,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:33,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:33,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:36:33,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:36:33,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:36:33,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:33,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:33,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:33,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:33,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:33,343 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:36:33,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:36:33,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f056be744fcae26accb2c049a9cf7a4321bd3ba6c0302870967f442303a6d9cc [2024-11-08 22:36:33,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:33,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:33,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:33,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:33,668 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:33,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-nonlinear/color-magicseries2.c Unable to find full path for "g++" [2024-11-08 22:36:35,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:35,897 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:35,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/sv-benchmarks/c/floats-nonlinear/color-magicseries2.c [2024-11-08 22:36:35,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/data/23f026906/53fdbbd68ee84edda04338db57675221/FLAG36d00f05d [2024-11-08 22:36:35,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/data/23f026906/53fdbbd68ee84edda04338db57675221 [2024-11-08 22:36:35,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:35,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:35,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:35,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:35,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:35,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:35" (1/1) ... [2024-11-08 22:36:35,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb9f1fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:35, skipping insertion in model container [2024-11-08 22:36:35,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:35" (1/1) ... [2024-11-08 22:36:35,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:36,150 WARN L250 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_60838be4-0b75-4b3e-873b-471c38411e67/sv-benchmarks/c/floats-nonlinear/color-magicseries2.c[613,626] [2024-11-08 22:36:36,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:36,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:36,201 WARN L250 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_60838be4-0b75-4b3e-873b-471c38411e67/sv-benchmarks/c/floats-nonlinear/color-magicseries2.c[613,626] [2024-11-08 22:36:36,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:36,237 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:36,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36 WrapperNode [2024-11-08 22:36:36,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:36,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:36,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:36,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:36,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,281 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 140 [2024-11-08 22:36:36,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:36,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:36,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:36,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:36,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:36,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:36,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:36,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:36,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:36,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:36:36,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:36:36,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:36:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:36:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:36:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure check_domain [2024-11-08 22:36:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure check_domain [2024-11-08 22:36:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:36:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:36:36,476 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:36,478 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:36,735 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:36,735 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:36,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:36,808 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:36:36,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:36 BoogieIcfgContainer [2024-11-08 22:36:36,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:36,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:36:36,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:36:36,822 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:36:36,822 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:36" (1/1) ... [2024-11-08 22:36:36,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2024-11-08 22:36:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-08 22:36:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:36:36,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:36,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-11-08 22:36:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-11-08 22:36:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:36:37,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:37,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-11-08 22:36:37,479 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-08 22:36:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:36:37,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:37,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:36:37,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2024-11-08 22:36:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2024-11-08 22:36:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 22:36:37,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:37,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:36:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2024-11-08 22:36:37,828 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2024-11-08 22:36:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:36:37,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:37,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:36:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 53 transitions. [2024-11-08 22:36:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2024-11-08 22:36:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:36:38,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:38,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:36:38,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2024-11-08 22:36:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-11-08 22:36:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:36:38,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:38,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:36:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2024-11-08 22:36:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-11-08 22:36:38,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:36:38,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:38,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:36:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2024-11-08 22:36:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-11-08 22:36:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:36:38,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:38,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:36:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2024-11-08 22:36:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2024-11-08 22:36:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 22:36:38,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:38,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:36:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2024-11-08 22:36:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2024-11-08 22:36:38,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 22:36:38,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:38,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:36:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-08 22:36:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-08 22:36:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:36:38,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:38,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 22:36:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2024-11-08 22:36:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2024-11-08 22:36:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:36:39,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:39,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 22:36:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2024-11-08 22:36:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2024-11-08 22:36:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:36:39,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 22:36:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2024-11-08 22:36:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2024-11-08 22:36:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 22:36:40,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:40,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 22:36:40,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2024-11-08 22:36:40,626 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2024-11-08 22:36:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 22:36:40,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:40,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 22:36:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:40,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 75 transitions. [2024-11-08 22:36:40,907 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2024-11-08 22:36:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 22:36:40,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:40,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:36:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 88 transitions. [2024-11-08 22:36:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2024-11-08 22:36:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 22:36:41,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:41,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 22:36:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 70 states and 90 transitions. [2024-11-08 22:36:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2024-11-08 22:36:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 22:36:42,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:42,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,549 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 83 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 22:36:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 72 states and 91 transitions. [2024-11-08 22:36:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2024-11-08 22:36:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-08 22:36:42,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:42,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 22:36:43,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:43,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 81 states and 103 transitions. [2024-11-08 22:36:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2024-11-08 22:36:43,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 22:36:43,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:43,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 122 proven. 4 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-08 22:36:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 83 states and 105 transitions. [2024-11-08 22:36:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2024-11-08 22:36:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 22:36:44,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:44,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 145 proven. 9 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-08 22:36:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2024-11-08 22:36:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2024-11-08 22:36:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 22:36:44,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:44,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 79 proven. 4 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-08 22:36:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2024-11-08 22:36:45,180 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-11-08 22:36:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 22:36:45,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 106 proven. 9 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-08 22:36:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 89 states and 109 transitions. [2024-11-08 22:36:45,538 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2024-11-08 22:36:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 22:36:45,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:45,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:45,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:46,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:46,141 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-08 22:36:46,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:36:46 ImpRootNode [2024-11-08 22:36:46,229 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:36:46,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:36:46,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:36:46,230 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:36:46,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:36" (3/4) ... [2024-11-08 22:36:46,234 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:36:46,335 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:36:46,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:36:46,336 INFO L158 Benchmark]: Toolchain (without parser) took 10407.94ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 117.1MB in the beginning and 136.8MB in the end (delta: -19.7MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2024-11-08 22:36:46,336 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:46,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.71ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 103.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:46,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.63ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:46,337 INFO L158 Benchmark]: Boogie Preprocessor took 34.72ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 100.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:46,338 INFO L158 Benchmark]: RCFGBuilder took 491.51ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 82.0MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:36:46,345 INFO L158 Benchmark]: CodeCheck took 9418.89ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 82.0MB in the beginning and 142.1MB in the end (delta: -60.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:36:46,346 INFO L158 Benchmark]: Witness Printer took 105.62ms. Allocated memory is still 224.4MB. Free memory was 142.1MB in the beginning and 136.8MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:36:46,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2396 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 570 mSDsluCounter, 712 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1208 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3272 IncrementalHoareTripleChecker+Invalid, 4480 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1208 mSolverCounterUnsat, 712 mSDtfsCounter, 3272 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6630 GetRequests, 6457 SyntacticMatches, 41 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6193 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1166 NumberOfCodeBlocks, 1166 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1059 ConstructedInterpolants, 0 QuantifiedInterpolants, 1339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 12 PerfectInterpolantSequences, 1579/1764 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L56] int x, y, z, w; [L57] x = __VERIFIER_nondet_int() [L58] y = __VERIFIER_nondet_int() [L59] z = __VERIFIER_nondet_int() [L60] w = __VERIFIER_nondet_int() [L61] CALL, EXPR solve(x, y, z, w) [L44] CALL, EXPR check_domain(s0) VAL [\old(x)=2] [L28] COND TRUE x >= 0 && x <= 4 [L28] return 1; [L44] RET, EXPR check_domain(s0) VAL [s0=2, s1=0, s2=2, s3=0] [L44] EXPR check_domain(s0) && check_domain(s1) VAL [s0=2, s1=0, s2=2, s3=0] [L44] CALL, EXPR check_domain(s1) VAL [\old(x)=0] [L28] COND TRUE x >= 0 && x <= 4 [L28] return 1; [L44] RET, EXPR check_domain(s1) VAL [s0=2, s1=0, s2=2, s3=0] [L44] EXPR check_domain(s0) && check_domain(s1) VAL [s0=2, s1=0, s2=2, s3=0] [L44] EXPR check_domain(s0) && check_domain(s1) && check_domain(s2) VAL [s0=2, s1=0, s2=2, s3=0] [L44] CALL, EXPR check_domain(s2) VAL [\old(x)=2] [L28] COND TRUE x >= 0 && x <= 4 [L28] return 1; [L44] RET, EXPR check_domain(s2) VAL [s0=2, s1=0, s2=2, s3=0] [L44] EXPR check_domain(s0) && check_domain(s1) && check_domain(s2) VAL [s0=2, s1=0, s2=2, s3=0] [L44-L45] check_domain(s0) && check_domain(s1) && check_domain(s2) && check_domain(s3) VAL [s0=2, s1=0, s2=2, s3=0] [L45] CALL, EXPR check_domain(s3) VAL [\old(x)=0] [L28] COND TRUE x >= 0 && x <= 4 [L28] return 1; [L45] RET, EXPR check_domain(s3) VAL [s0=2, s1=0, s2=2, s3=0] [L44-L45] check_domain(s0) && check_domain(s1) && check_domain(s2) && check_domain(s3) VAL [s0=2, s1=0, s2=2, s3=0] [L44-L45] COND TRUE check_domain(s0) && check_domain(s1) && check_domain(s2) && check_domain(s3) [L46-L47] s0 + s1 + s2 + s3 == 4 && s0 * 0 + s1 * 1 + s2 * 2 + s3 * 3 == 4 && check_sum(s0, s1, s2, s3) [L47] CALL, EXPR check_sum(s0, s1, s2, s3) [L33] int s[4] = {s0, s1, s2, s3}; [L34] int i = 0; VAL [i=0, s={31547:0}] [L34] COND FALSE !(i < 4) VAL [i=0, s={31547:0}] [L34] COND TRUE i < 4 [L35] int sum = 0; [L36] int j = 0; VAL [i=0, j=0, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=0, j=0, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=0, j=1, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=0, j=1, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND TRUE s[j] == i [L37] sum++ [L36] j++ VAL [i=0, j=2, s={31547:0}, sum=1] [L36] COND FALSE !(j < 4) VAL [i=0, j=2, s={31547:0}, sum=1] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=0, j=3, s={31547:0}, sum=1] [L36] COND FALSE !(j < 4) VAL [i=0, j=3, s={31547:0}, sum=1] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND TRUE s[j] == i [L37] sum++ [L36] j++ VAL [i=0, j=4, s={31547:0}, sum=2] [L36] COND TRUE j < 4 VAL [i=0, s={31547:0}, sum=2] [L38] EXPR s[i] VAL [i=0, s={31547:0}, sum=2] [L38] COND FALSE !(sum != s[i]) [L34] i++ VAL [i=1, s={31547:0}] [L34] COND FALSE !(i < 4) VAL [i=1, s={31547:0}] [L34] COND TRUE i < 4 [L35] int sum = 0; [L36] int j = 0; VAL [i=1, j=0, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=1, j=0, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=1, j=1, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=1, j=1, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=1, j=2, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=1, j=2, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=1, j=3, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=1, j=3, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=1, j=4, s={31547:0}, sum=0] [L36] COND TRUE j < 4 VAL [i=1, s={31547:0}, sum=0] [L38] EXPR s[i] VAL [i=1, s={31547:0}, sum=0] [L38] COND FALSE !(sum != s[i]) [L34] i++ VAL [i=2, s={31547:0}] [L34] COND FALSE !(i < 4) VAL [i=2, s={31547:0}] [L34] COND TRUE i < 4 [L35] int sum = 0; [L36] int j = 0; VAL [i=2, j=0, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=2, j=0, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND TRUE s[j] == i [L37] sum++ [L36] j++ VAL [i=2, j=1, s={31547:0}, sum=1] [L36] COND FALSE !(j < 4) VAL [i=2, j=1, s={31547:0}, sum=1] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=2, j=2, s={31547:0}, sum=1] [L36] COND FALSE !(j < 4) VAL [i=2, j=2, s={31547:0}, sum=1] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND TRUE s[j] == i [L37] sum++ [L36] j++ VAL [i=2, j=3, s={31547:0}, sum=2] [L36] COND FALSE !(j < 4) VAL [i=2, j=3, s={31547:0}, sum=2] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=2, j=4, s={31547:0}, sum=2] [L36] COND TRUE j < 4 VAL [i=2, s={31547:0}, sum=2] [L38] EXPR s[i] VAL [i=2, s={31547:0}, sum=2] [L38] COND FALSE !(sum != s[i]) [L34] i++ VAL [i=3, s={31547:0}] [L34] COND FALSE !(i < 4) VAL [i=3, s={31547:0}] [L34] COND TRUE i < 4 [L35] int sum = 0; [L36] int j = 0; VAL [i=3, j=0, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=3, j=0, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=3, j=1, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=3, j=1, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=3, j=2, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=3, j=2, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=3, j=3, s={31547:0}, sum=0] [L36] COND FALSE !(j < 4) VAL [i=3, j=3, s={31547:0}, sum=0] [L36] COND TRUE j < 4 [L37] EXPR s[j] [L37] COND FALSE !(s[j] == i) [L36] j++ VAL [i=3, j=4, s={31547:0}, sum=0] [L36] COND TRUE j < 4 VAL [i=3, s={31547:0}, sum=0] [L38] EXPR s[i] VAL [i=3, s={31547:0}, sum=0] [L38] COND FALSE !(sum != s[i]) [L34] i++ VAL [i=4, s={31547:0}] [L34] COND TRUE i < 4 VAL [s={31547:0}] [L40] return 1; [L33] int s[4] = {s0, s1, s2, s3}; [L40] return 1; VAL [\result=1] [L47] RET, EXPR check_sum(s0, s1, s2, s3) [L46-L47] s0 + s1 + s2 + s3 == 4 && s0 * 0 + s1 * 1 + s2 * 2 + s3 * 3 == 4 && check_sum(s0, s1, s2, s3) [L46-L47] COND TRUE s0 + s1 + s2 + s3 == 4 && s0 * 0 + s1 * 1 + s2 * 2 + s3 * 3 == 4 && check_sum(s0, s1, s2, s3) [L48] return 1; VAL [\result=1] [L61] RET, EXPR solve(x, y, z, w) [L61] CALL __VERIFIER_assert(!solve(x, y, z, w)) [L18] COND TRUE !(cond) [L20] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.71ms. Allocated memory is still 155.2MB. Free memory was 117.0MB in the beginning and 103.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.63ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.72ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 100.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 491.51ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 82.0MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 9418.89ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 82.0MB in the beginning and 142.1MB in the end (delta: -60.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 105.62ms. Allocated memory is still 224.4MB. Free memory was 142.1MB in the beginning and 136.8MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:36:46,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60838be4-0b75-4b3e-873b-471c38411e67/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE