./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_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_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/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_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/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_4c6c0527-e4b2-4b86-8443-be75a837e8b0/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 0d9fe6afba387bdc3df869af849969106aba5d49894367553fbb218bd7a49eac --- 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 [2022-12-14 23:54:14,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:54:14,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:54:14,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:54:14,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:54:14,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:54:14,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:54:14,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:54:14,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:54:14,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:54:14,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:54:14,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:54:14,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:54:14,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:54:14,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:54:14,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:54:14,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:54:14,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:54:14,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:54:14,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:54:14,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:54:14,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:54:14,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:54:14,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:54:14,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:54:14,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:54:14,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:54:14,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:54:14,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:54:14,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:54:14,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:54:14,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:54:14,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:54:14,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:54:14,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:54:14,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:54:14,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:54:14,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:54:14,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:54:14,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:54:14,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:54:14,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:54:14,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:54:14,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:54:14,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:54:14,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:54:14,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:54:14,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:54:14,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:54:14,362 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:54:14,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:54:14,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:54:14,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:54:14,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:54:14,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:54:14,363 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:54:14,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:54:14,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:54:14,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:54:14,363 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:54:14,363 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:54:14,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:54:14,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:54:14,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:54:14,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:54:14,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:54:14,364 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:54:14,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:54:14,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:54:14,364 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_4c6c0527-e4b2-4b86-8443-be75a837e8b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9fe6afba387bdc3df869af849969106aba5d49894367553fbb218bd7a49eac [2022-12-14 23:54:14,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:54:14,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:54:14,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:54:14,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:54:14,547 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:54:14,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i [2022-12-14 23:54:17,070 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:54:17,298 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:54:17,298 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_17_good.i [2022-12-14 23:54:17,313 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/data/9ae63c029/96759cf68f5147f2b3c40cacc1fd5e38/FLAGa7806d1bd [2022-12-14 23:54:17,637 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/data/9ae63c029/96759cf68f5147f2b3c40cacc1fd5e38 [2022-12-14 23:54:17,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:54:17,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:54:17,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:54:17,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:54:17,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:54:17,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:17" (1/1) ... [2022-12-14 23:54:17,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc6c9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:17, skipping insertion in model container [2022-12-14 23:54:17,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:17" (1/1) ... [2022-12-14 23:54:17,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:54:17,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:54:17,904 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:54:18,194 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:54:18,198 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:54:18,200 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:54:18,201 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:54:18,202 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:54:18,220 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:54:18,226 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:54:18,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:54:18,235 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:54:18,248 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:54:18,278 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:54:18,279 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:54:18,280 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:54:18,282 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:54:18,282 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:54:18,285 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:54:18,288 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:54:18,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:54:18,391 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:54:18,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18 WrapperNode [2022-12-14 23:54:18,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:54:18,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:54:18,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:54:18,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:54:18,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,427 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2022-12-14 23:54:18,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:54:18,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:54:18,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:54:18,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:54:18,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,444 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:54:18,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:54:18,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:54:18,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:54:18,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:54:18,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:54:18,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:54:18,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:54:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:54:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:54:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 23:54:18,500 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:54:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:54:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:54:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 23:54:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:54:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:54:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:54:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:54:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:54:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:54:18,611 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:54:18,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:54:18,752 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:54:18,776 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:54:18,776 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 23:54:18,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:18 BoogieIcfgContainer [2022-12-14 23:54:18,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:54:18,779 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:54:18,779 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:54:18,785 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:54:18,785 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:18" (1/1) ... [2022-12-14 23:54:18,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:54:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 60 transitions. [2022-12-14 23:54:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-12-14 23:54:18,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:54:18,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:18,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2022-12-14 23:54:19,135 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-12-14 23:54:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:54:19,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2022-12-14 23:54:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-12-14 23:54:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:54:19,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:54:19,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2022-12-14 23:54:19,292 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-12-14 23:54:19,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:54:19,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:54:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 58 transitions. [2022-12-14 23:54:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-14 23:54:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:54:19,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:54:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 60 transitions. [2022-12-14 23:54:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-12-14 23:54:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:54:19,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:54:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 66 transitions. [2022-12-14 23:54:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-14 23:54:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:54:19,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:54:19,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 65 transitions. [2022-12-14 23:54:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-14 23:54:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:54:19,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:54:19,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 66 transitions. [2022-12-14 23:54:19,684 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-14 23:54:19,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:54:19,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:54:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 65 transitions. [2022-12-14 23:54:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-12-14 23:54:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:54:19,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:54:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:19,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 68 transitions. [2022-12-14 23:54:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-12-14 23:54:19,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:54:19,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:19,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:54:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:20,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 71 transitions. [2022-12-14 23:54:20,015 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-12-14 23:54:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:54:20,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:20,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:54:20,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 72 transitions. [2022-12-14 23:54:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-12-14 23:54:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:54:20,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:20,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:54:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 73 transitions. [2022-12-14 23:54:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-12-14 23:54:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:54:20,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:20,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:54:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 58 transitions. [2022-12-14 23:54:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-14 23:54:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:54:20,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:20,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:54:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 52 transitions. [2022-12-14 23:54:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-14 23:54:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:54:20,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:20,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:54:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 57 transitions. [2022-12-14 23:54:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-12-14 23:54:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:54:20,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 23:54:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 58 transitions. [2022-12-14 23:54:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-14 23:54:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:54:20,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:20,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:54:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 69 transitions. [2022-12-14 23:54:21,057 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-12-14 23:54:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:54:21,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:21,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:54:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:21,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 71 transitions. [2022-12-14 23:54:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-12-14 23:54:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:54:21,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:21,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:54:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 75 transitions. [2022-12-14 23:54:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-12-14 23:54:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 23:54:21,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:54:21,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:54:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:54:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 23:54:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:54:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 41 states and 47 transitions. [2022-12-14 23:54:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-12-14 23:54:21,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:54:21,562 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-12-14 23:54:21,569 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-14 23:54:21,635 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:54:21,638 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-14 23:54:21,643 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:54:21,643 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:54:21,643 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:54:21,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:54:21 ImpRootNode [2022-12-14 23:54:21,644 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:54:21,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:54:21,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:54:21,644 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:54:21,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:18" (3/4) ... [2022-12-14 23:54:21,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:54:21,651 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:54:21,651 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:54:21,655 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 23:54:21,655 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 23:54:21,655 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 23:54:21,656 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:54:21,692 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:54:21,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:54:21,692 INFO L158 Benchmark]: Toolchain (without parser) took 4052.58ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 86.3MB in the beginning and 93.1MB in the end (delta: -6.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-12-14 23:54:21,693 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:54:21,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.10ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 85.8MB in the beginning and 87.6MB in the end (delta: -1.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2022-12-14 23:54:21,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.69ms. Allocated memory is still 151.0MB. Free memory was 87.6MB in the beginning and 84.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:54:21,693 INFO L158 Benchmark]: Boogie Preprocessor took 18.03ms. Allocated memory is still 151.0MB. Free memory was 84.2MB in the beginning and 82.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:54:21,694 INFO L158 Benchmark]: RCFGBuilder took 331.65ms. Allocated memory is still 151.0MB. Free memory was 82.6MB in the beginning and 64.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:54:21,694 INFO L158 Benchmark]: CodeCheck took 2864.91ms. Allocated memory is still 151.0MB. Free memory was 64.5MB in the beginning and 96.1MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:54:21,694 INFO L158 Benchmark]: Witness Printer took 47.95ms. Allocated memory is still 151.0MB. Free memory was 96.1MB in the beginning and 93.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:54:21,695 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, 49 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1439 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 549 mSDsluCounter, 756 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 589 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2122 IncrementalHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 589 mSolverCounterUnsat, 514 mSDtfsCounter, 2122 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3231 GetRequests, 3159 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1469 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 405 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 54/58 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1588]: Loop Invariant Derived loop invariant: (1 <= h && data == 2) || h == 0 - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.10ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 85.8MB in the beginning and 87.6MB in the end (delta: -1.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.69ms. Allocated memory is still 151.0MB. Free memory was 87.6MB in the beginning and 84.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.03ms. Allocated memory is still 151.0MB. Free memory was 84.2MB in the beginning and 82.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.65ms. Allocated memory is still 151.0MB. Free memory was 82.6MB in the beginning and 64.5MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2864.91ms. Allocated memory is still 151.0MB. Free memory was 64.5MB in the beginning and 96.1MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.95ms. Allocated memory is still 151.0MB. Free memory was 96.1MB in the beginning and 93.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:54:21,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c0527-e4b2-4b86-8443-be75a837e8b0/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