./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --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 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:32:12,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:32:12,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:32:12,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:32:12,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:32:12,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:32:12,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:32:12,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:32:12,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:32:12,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:32:12,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:32:12,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:32:12,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:32:12,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:32:12,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:32:12,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:32:12,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:32:12,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:32:12,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:32:12,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:32:12,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:32:12,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:32:12,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:32:12,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:32:12,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:32:12,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:32:12,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:32:12,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:32:12,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:32:12,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:32:12,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:32:12,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:32:12,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:32:12,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:32:12,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:32:12,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:32:12,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:32:12,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:32:12,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:32:12,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:32:12,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:32:12,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:32:12,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:32:12,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:32:12,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:32:12,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:32:12,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:32:12,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:32:12,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:32:12,538 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:32:12,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:32:12,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:32:12,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:32:12,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:32:12,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:32:12,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:32:12,544 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:32:12,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:32:12,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:32:12,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:32:12,545 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:32:12,545 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:32:12,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:32:12,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:12,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:32:12,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:32:12,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:32:12,547 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:32:12,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:32:12,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:32:12,548 INFO L138 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_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 [2021-11-23 01:32:12,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:32:12,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:32:12,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:32:12,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:32:12,898 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:32:12,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2021-11-23 01:32:12,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/data/6b48f97c4/641e69453a5d41dabeb5a9ddabb39857/FLAG25a88e6b6 [2021-11-23 01:32:13,566 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:32:13,566 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2021-11-23 01:32:13,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/data/6b48f97c4/641e69453a5d41dabeb5a9ddabb39857/FLAG25a88e6b6 [2021-11-23 01:32:13,972 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/data/6b48f97c4/641e69453a5d41dabeb5a9ddabb39857 [2021-11-23 01:32:13,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:32:13,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:32:13,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:13,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:32:13,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:32:13,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:13" (1/1) ... [2021-11-23 01:32:13,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724a9ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:13, skipping insertion in model container [2021-11-23 01:32:13,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:13" (1/1) ... [2021-11-23 01:32:14,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:32:14,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:32:14,184 WARN L230 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_e098753e-4320-44ec-bd11-d8087f7be243/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2021-11-23 01:32:14,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:14,215 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:32:14,226 WARN L230 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_e098753e-4320-44ec-bd11-d8087f7be243/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2021-11-23 01:32:14,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:14,248 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:32:14,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14 WrapperNode [2021-11-23 01:32:14,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:14,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:14,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:32:14,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:32:14,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,296 INFO L137 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2021-11-23 01:32:14,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:14,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:32:14,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:32:14,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:32:14,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:32:14,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:32:14,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:32:14,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:32:14,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:14,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:32:14,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:32:14,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:32:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:32:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:32:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:32:14,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:32:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:32:14,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:32:14,489 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:32:14,490 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:32:14,623 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:32:14,648 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:32:14,648 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:32:14,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:14 BoogieIcfgContainer [2021-11-23 01:32:14,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:32:14,651 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:32:14,651 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:32:14,662 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:32:14,662 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:14" (1/1) ... [2021-11-23 01:32:14,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:32:14,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-23 01:32:14,736 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-23 01:32:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:32:14,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:14,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:15,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-23 01:32:15,231 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-23 01:32:15,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:32:15,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:15,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:15,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:32:15,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2021-11-23 01:32:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2021-11-23 01:32:15,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:32:15,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:15,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:15,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:32:15,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:15,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:15,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2021-11-23 01:32:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2021-11-23 01:32:15,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:32:15,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:15,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:16,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:16,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:32:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2021-11-23 01:32:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2021-11-23 01:32:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:32:16,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:16,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:16,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:16,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:32:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2021-11-23 01:32:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2021-11-23 01:32:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:32:16,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:16,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:16,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:16,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:32:17,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2021-11-23 01:32:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-11-23 01:32:17,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:32:17,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:17,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:17,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:17,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:32:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2021-11-23 01:32:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2021-11-23 01:32:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:32:17,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:17,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:17,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:17,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:32:43,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2021-11-23 01:32:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2021-11-23 01:32:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:32:43,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:43,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:43,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:43,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:32:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2021-11-23 01:32:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2021-11-23 01:32:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:32:43,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:43,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:43,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:43,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 01:32:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:44,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2021-11-23 01:32:44,140 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2021-11-23 01:32:44,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:32:44,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:44,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:44,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:44,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:32:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2021-11-23 01:32:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2021-11-23 01:32:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:32:44,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:44,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:44,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:44,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-23 01:32:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2021-11-23 01:32:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2021-11-23 01:32:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:32:45,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:45,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:45,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:32:45,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:32:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2021-11-23 01:32:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2021-11-23 01:32:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:32:46,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:46,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:46,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:46,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:32:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:46,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2021-11-23 01:32:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-23 01:32:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:32:46,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:46,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:46,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:46,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-11-23 01:32:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2021-11-23 01:32:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-11-23 01:32:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:32:47,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:47,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:47,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:32:47,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:47,685 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:32:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 79 transitions. [2021-11-23 01:32:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-11-23 01:32:48,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:48,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:48,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:48,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:48,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-23 01:32:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 78 transitions. [2021-11-23 01:32:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2021-11-23 01:32:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:32:48,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:48,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:49,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:32:49,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:49,410 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:32:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 80 transitions. [2021-11-23 01:32:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2021-11-23 01:32:50,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:32:50,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:50,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:50,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:32:50,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:50,365 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:32:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 84 transitions. [2021-11-23 01:32:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2021-11-23 01:32:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:32:51,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:51,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:51,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:51,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-23 01:32:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:51,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 85 transitions. [2021-11-23 01:32:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2021-11-23 01:32:51,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:32:51,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:51,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:51,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:32:51,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:32:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 91 transitions. [2021-11-23 01:32:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2021-11-23 01:32:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:32:53,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:53,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:53,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:53,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-11-23 01:32:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 90 transitions. [2021-11-23 01:32:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2021-11-23 01:32:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:32:53,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:53,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:53,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:32:53,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:32:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 92 transitions. [2021-11-23 01:32:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2021-11-23 01:32:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:32:55,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:55,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:55,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:32:55,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:32:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 96 transitions. [2021-11-23 01:32:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2021-11-23 01:32:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:32:57,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:57,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:57,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:32:57,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-11-23 01:32:57,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 97 transitions. [2021-11-23 01:32:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-11-23 01:32:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:32:57,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:57,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:57,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:32:57,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 70 proven. 20 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:33:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 41 states and 62 transitions. [2021-11-23 01:33:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2021-11-23 01:33:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:33:01,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:01,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:01,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:33:01,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-11-23 01:33:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 35 states and 55 transitions. [2021-11-23 01:33:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2021-11-23 01:33:02,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:33:02,637 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2021-11-23 01:33:02,648 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:33:03,294 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2021-11-23 01:33:03,307 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:33:03,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:33:03 ImpRootNode [2021-11-23 01:33:03,308 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:33:03,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:33:03,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:33:03,309 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:33:03,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:14" (3/4) ... [2021-11-23 01:33:03,313 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:33:03,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 01:33:03,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-23 01:33:03,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 01:33:03,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:33:03,326 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:33:03,382 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:33:03,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:33:03,384 INFO L158 Benchmark]: Toolchain (without parser) took 49407.81ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 92.2MB in the beginning and 50.3MB in the end (delta: 41.9MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2021-11-23 01:33:03,385 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:33:03,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.07ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 100.7MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:33:03,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.09ms. Allocated memory is still 123.7MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:33:03,387 INFO L158 Benchmark]: Boogie Preprocessor took 24.34ms. Allocated memory is still 123.7MB. Free memory was 99.1MB in the beginning and 98.4MB in the end (delta: 755.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:33:03,388 INFO L158 Benchmark]: RCFGBuilder took 327.82ms. Allocated memory is still 123.7MB. Free memory was 97.9MB in the beginning and 88.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:33:03,388 INFO L158 Benchmark]: CodeCheck took 48657.13ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 88.1MB in the beginning and 53.5MB in the end (delta: 34.6MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2021-11-23 01:33:03,389 INFO L158 Benchmark]: Witness Printer took 74.00ms. Allocated memory is still 148.9MB. Free memory was 53.5MB in the beginning and 50.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:33:03,393 INFO L339 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.0s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2423 SdHoareTripleChecker+Valid, 19.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 578 mSDsluCounter, 1425 SdHoareTripleChecker+Invalid, 15.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 780 mSDsCounter, 3372 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7472 IncrementalHoareTripleChecker+Invalid, 10844 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3372 mSolverCounterUnsat, 645 mSDtfsCounter, 7472 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9638 GetRequests, 9096 SyntacticMatches, 369 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31244 ImplicationChecksByTransitivity, 40.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 30.6s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 4197 SizeOfPredicates, 43 NumberOfNonLiveVariables, 3679 ConjunctsInSsa, 383 ConjunctsInUnsatCore, 27 InterpolantComputations, 3 PerfectInterpolantSequences, 4863/5200 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 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((!(5 == t && 2 == a) && !(t == 1 + 2 * a && 2 == 2 * a)) && !(9 == t && a == 4)) && !(7 == t && 3 == a)) || (16 == s && 3 == a)) || (9 == s && 2 == a)) || (s == 2 + 2 * a && 2 == 2 * a)) || (s == 25 && a == 4) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.07ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 100.7MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.09ms. Allocated memory is still 123.7MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.34ms. Allocated memory is still 123.7MB. Free memory was 99.1MB in the beginning and 98.4MB in the end (delta: 755.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.82ms. Allocated memory is still 123.7MB. Free memory was 97.9MB in the beginning and 88.1MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 48657.13ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 88.1MB in the beginning and 53.5MB in the end (delta: 34.6MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Witness Printer took 74.00ms. Allocated memory is still 148.9MB. Free memory was 53.5MB in the beginning and 50.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:33:03,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e098753e-4320-44ec-bd11-d8087f7be243/bin/ukojak-LBtLqBUTdQ/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 Result: TRUE