./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 29674ae8935d7d2d102b464eebd119152cb15bf0f98e8d738568411b951c2316 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 03:45:03,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:45:03,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:45:03,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:45:03,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:45:03,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:45:03,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:45:03,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:45:03,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:45:03,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:45:03,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:45:03,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:45:03,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:45:03,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:45:03,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:45:03,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:45:03,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:45:03,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:45:03,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:45:03,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:45:03,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:45:03,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:45:03,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:45:03,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:45:03,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:45:03,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:45:03,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:45:03,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:45:03,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:45:03,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:45:03,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:45:03,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:45:03,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:45:03,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:45:03,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:45:03,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:45:03,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:45:03,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:45:03,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:45:03,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:45:03,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:45:03,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:45:03,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:45:03,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:45:03,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:45:03,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:45:03,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:45:03,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:45:03,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:45:03,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:45:03,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:45:03,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:45:03,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:45:03,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:45:03,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:45:03,404 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:45:03,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:45:03,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:45:03,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:45:03,405 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:45:03,405 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:45:03,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:45:03,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:45:03,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:45:03,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:45:03,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:45:03,406 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:45:03,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:45:03,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:45:03,406 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_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29674ae8935d7d2d102b464eebd119152cb15bf0f98e8d738568411b951c2316 [2022-12-15 03:45:03,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:45:03,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:45:03,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:45:03,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:45:03,607 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:45:03,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_05_good.i [2022-12-15 03:45:06,224 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:45:06,448 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:45:06,448 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_05_good.i [2022-12-15 03:45:06,461 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/data/54ff379a0/be7e1717fe9947e1a3fc2d3d41508f4d/FLAG8ff9c21c2 [2022-12-15 03:45:06,471 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/data/54ff379a0/be7e1717fe9947e1a3fc2d3d41508f4d [2022-12-15 03:45:06,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:45:06,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:45:06,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:45:06,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:45:06,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:45:06,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:45:06" (1/1) ... [2022-12-15 03:45:06,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b040d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:06, skipping insertion in model container [2022-12-15 03:45:06,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:45:06" (1/1) ... [2022-12-15 03:45:06,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:45:06,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:45:06,756 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:45:07,061 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:45:07,065 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:45:07,067 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:45:07,068 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:45:07,069 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:45:07,087 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:45:07,092 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:45:07,098 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:45:07,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:45:07,107 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:45:07,120 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:45:07,152 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:45:07,153 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:45:07,154 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:45:07,155 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:45:07,156 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:45:07,159 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:45:07,161 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:45:07,164 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:45:07,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:45:07,267 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:45:07,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07 WrapperNode [2022-12-15 03:45:07,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:45:07,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:45:07,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:45:07,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:45:07,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,306 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2022-12-15 03:45:07,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:45:07,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:45:07,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:45:07,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:45:07,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:45:07,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:45:07,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:45:07,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:45:07,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:45:07,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:45:07,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:45:07,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:45:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 03:45:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 03:45:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:45:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 03:45:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:45:07,493 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:45:07,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:45:07,665 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:45:07,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:45:07,695 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:45:07,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:45:07 BoogieIcfgContainer [2022-12-15 03:45:07,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:45:07,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:45:07,698 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:45:07,706 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:45:07,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:45:07" (1/1) ... [2022-12-15 03:45:07,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:45:07,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:07,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-15 03:45:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-15 03:45:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:45:07,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:07,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-15 03:45:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 03:45:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:45:08,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-15 03:45:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-15 03:45:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 03:45:08,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-15 03:45:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-15 03:45:08,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:45:08,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:45:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-15 03:45:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-15 03:45:08,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:45:08,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:45:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-15 03:45:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 03:45:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:45:08,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:45:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-15 03:45:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-15 03:45:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:45:08,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:08,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-15 03:45:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-15 03:45:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:45:08,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-15 03:45:09,007 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-15 03:45:09,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:45:09,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:45:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-15 03:45:09,063 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-15 03:45:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:45:09,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:45:09,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-15 03:45:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-15 03:45:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:45:09,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-15 03:45:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-15 03:45:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:45:09,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:45:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-15 03:45:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-15 03:45:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:45:09,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-15 03:45:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-15 03:45:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:45:09,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:45:09,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-15 03:45:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-15 03:45:09,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:45:09,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-15 03:45:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-15 03:45:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:45:09,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:09,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-15 03:45:09,765 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-15 03:45:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 03:45:09,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-15 03:45:09,913 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-15 03:45:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 03:45:09,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 03:45:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-15 03:45:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-15 03:45:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:45:10,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:10,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-15 03:45:10,583 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-15 03:45:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:45:10,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:10,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:10,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-15 03:45:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-15 03:45:10,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:45:10,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:10,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:10,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:10,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 88 transitions. [2022-12-15 03:45:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-12-15 03:45:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 03:45:10,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:10,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:45:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-12-15 03:45:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-12-15 03:45:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 03:45:11,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:11,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 03:45:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-12-15 03:45:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-15 03:45:11,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 03:45:11,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:11,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 64 states and 87 transitions. [2022-12-15 03:45:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-12-15 03:45:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 03:45:11,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:11,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 03:45:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 44 states and 56 transitions. [2022-12-15 03:45:11,575 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-15 03:45:11,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 03:45:11,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:11,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 43 states and 55 transitions. [2022-12-15 03:45:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-15 03:45:11,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:45:11,742 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-15 03:45:11,747 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 03:45:11,938 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:45:11,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:45:11 ImpRootNode [2022-12-15 03:45:11,942 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:45:11,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:45:11,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:45:11,943 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:45:11,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:45:07" (3/4) ... [2022-12-15 03:45:11,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:45:11,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 03:45:11,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 03:45:11,956 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 03:45:11,956 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 03:45:11,957 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 03:45:11,957 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:45:11,957 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:45:11,991 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:45:11,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:45:11,992 INFO L158 Benchmark]: Toolchain (without parser) took 5517.61ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 94.5MB in the beginning and 110.8MB in the end (delta: -16.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-12-15 03:45:11,992 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:45:11,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.18ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 94.5MB in the beginning and 120.1MB in the end (delta: -25.6MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2022-12-15 03:45:11,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.96ms. Allocated memory is still 174.1MB. Free memory was 120.1MB in the beginning and 116.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:45:11,993 INFO L158 Benchmark]: Boogie Preprocessor took 19.14ms. Allocated memory is still 174.1MB. Free memory was 116.9MB in the beginning and 115.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:45:11,993 INFO L158 Benchmark]: RCFGBuilder took 371.52ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 97.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 03:45:11,993 INFO L158 Benchmark]: CodeCheck took 4244.41ms. Allocated memory is still 174.1MB. Free memory was 96.8MB in the beginning and 114.9MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:45:11,994 INFO L158 Benchmark]: Witness Printer took 48.93ms. Allocated memory is still 174.1MB. Free memory was 114.9MB in the beginning and 110.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:45:11,995 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 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4692 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1661 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1372 mSDsCounter, 1052 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4452 IncrementalHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1052 mSolverCounterUnsat, 2221 mSDtfsCounter, 4452 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6104 GetRequests, 5956 SyntacticMatches, 14 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8584 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.18ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 94.5MB in the beginning and 120.1MB in the end (delta: -25.6MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.96ms. Allocated memory is still 174.1MB. Free memory was 120.1MB in the beginning and 116.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.14ms. Allocated memory is still 174.1MB. Free memory was 116.9MB in the beginning and 115.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.52ms. Allocated memory is still 174.1MB. Free memory was 115.7MB in the beginning and 97.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4244.41ms. Allocated memory is still 174.1MB. Free memory was 96.8MB in the beginning and 114.9MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.93ms. Allocated memory is still 174.1MB. Free memory was 114.9MB in the beginning and 110.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:45:12,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9923e9-3e05-43e4-8725-a6ae12e9bcf3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE