./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_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_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/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_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/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_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/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 bdf9d65ad696e8dfb5100422e93e2b3ba420fc1a62f743a5aadda294f5811fc0 --- 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 23:36:12,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:36:12,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:36:12,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:36:12,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:36:12,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:36:12,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:36:12,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:36:12,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:36:12,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:36:12,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:36:12,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:36:12,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:36:12,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:36:12,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:36:12,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:36:12,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:36:12,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:36:12,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:36:12,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:36:12,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:36:12,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:36:12,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:36:12,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:36:12,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:36:12,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:36:12,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:36:12,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:36:12,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:36:12,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:36:12,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:36:12,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:36:12,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:36:12,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:36:12,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:36:12,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:36:12,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:36:12,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:36:12,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:36:12,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:36:12,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:36:12,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:36:12,379 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:36:12,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:36:12,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:36:12,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:36:12,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:36:12,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:36:12,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:36:12,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:36:12,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:36:12,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:36:12,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:36:12,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:36:12,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:36:12,383 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:36:12,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:36:12,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:36:12,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:36:12,383 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:36:12,384 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:36:12,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:36:12,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:36:12,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:36:12,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:36:12,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:36:12,384 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:36:12,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:36:12,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:36:12,385 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_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdf9d65ad696e8dfb5100422e93e2b3ba420fc1a62f743a5aadda294f5811fc0 [2022-12-14 23:36:12,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:36:12,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:36:12,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:36:12,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:36:12,620 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:36:12,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_good.i [2022-12-14 23:36:15,219 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:36:15,488 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:36:15,489 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_good.i [2022-12-14 23:36:15,507 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/data/66feb79fd/f48645935f274fc6ae3354fa0195f375/FLAGc0ae3a4cf [2022-12-14 23:36:15,522 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/data/66feb79fd/f48645935f274fc6ae3354fa0195f375 [2022-12-14 23:36:15,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:36:15,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:36:15,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:36:15,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:36:15,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:36:15,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216fc30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:15, skipping insertion in model container [2022-12-14 23:36:15,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:36:15" (1/1) ... [2022-12-14 23:36:15,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:36:15,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:36:15,916 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:36:16,276 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:36:16,282 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:36:16,284 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:36:16,287 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:36:16,288 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:36:16,309 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:36:16,316 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:36:16,325 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:36:16,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:36:16,337 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:36:16,358 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:36:16,402 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:36:16,404 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:36:16,405 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:36:16,407 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:36:16,408 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:36:16,412 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:36:16,415 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:36:16,419 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:36:16,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:36:16,566 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:36:16,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16 WrapperNode [2022-12-14 23:36:16,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:36:16,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:36:16,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:36:16,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:36:16,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,605 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2022-12-14 23:36:16,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:36:16,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:36:16,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:36:16,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:36:16,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:36:16,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:36:16,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:36:16,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:36:16,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:36:16" (1/1) ... [2022-12-14 23:36:16,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:36:16,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:36:16,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:36:16,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:36:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:36:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:36:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 23:36:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:36:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:36:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:36:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 23:36:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:36:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:36:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:36:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:36:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:36:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:36:16,803 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:36:16,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:36:16,983 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:36:17,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:36:17,007 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 23:36:17,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:17 BoogieIcfgContainer [2022-12-14 23:36:17,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:36:17,009 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:36:17,010 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:36:17,017 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:36:17,017 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:17" (1/1) ... [2022-12-14 23:36:17,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:36:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2022-12-14 23:36:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2022-12-14 23:36:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:36:17,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,217 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 23:36:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 80 transitions. [2022-12-14 23:36:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-12-14 23:36:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:36:17,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,348 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 23:36:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 79 transitions. [2022-12-14 23:36:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-12-14 23:36:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:36:17,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,423 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 23:36:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 78 transitions. [2022-12-14 23:36:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-12-14 23:36:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:36:17,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,513 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 23:36:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 84 transitions. [2022-12-14 23:36:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-12-14 23:36:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:36:17,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,587 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 23:36:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 83 transitions. [2022-12-14 23:36:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2022-12-14 23:36:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:36:17,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,657 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 23:36:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 82 transitions. [2022-12-14 23:36:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2022-12-14 23:36:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:36:17,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,748 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 23:36:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 84 transitions. [2022-12-14 23:36:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2022-12-14 23:36:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:36:17,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,805 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 23:36:17,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 62 states and 89 transitions. [2022-12-14 23:36:17,831 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2022-12-14 23:36:17,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:36:17,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,884 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 23:36:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 66 states and 95 transitions. [2022-12-14 23:36:17,946 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2022-12-14 23:36:17,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:36:17,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:17,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:17,995 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 23:36:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 99 transitions. [2022-12-14 23:36:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2022-12-14 23:36:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:36:18,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:18,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:36:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 98 transitions. [2022-12-14 23:36:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2022-12-14 23:36:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:36:18,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:18,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 23:36:18,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 66 states and 92 transitions. [2022-12-14 23:36:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2022-12-14 23:36:18,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:36:18,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:36:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 90 transitions. [2022-12-14 23:36:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 23:36:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:36:18,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:18,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,323 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 23:36:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 86 transitions. [2022-12-14 23:36:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-14 23:36:18,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:36:18,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:18,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 23:36:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 85 transitions. [2022-12-14 23:36:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-14 23:36:18,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:36:18,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:18,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,615 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 23:36:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 91 transitions. [2022-12-14 23:36:18,737 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2022-12-14 23:36:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:36:18,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,773 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 23:36:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 48 states and 63 transitions. [2022-12-14 23:36:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 23:36:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:36:18,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:36:18,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:36:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:36:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:36:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:36:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 47 states and 61 transitions. [2022-12-14 23:36:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-12-14 23:36:19,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:36:19,027 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2022-12-14 23:36:19,034 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 23:36:19,112 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:36:19,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:36:19 ImpRootNode [2022-12-14 23:36:19,117 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:36:19,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:36:19,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:36:19,117 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:36:19,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:36:17" (3/4) ... [2022-12-14 23:36:19,121 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:36:19,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:36:19,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:36:19,131 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 23:36:19,131 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 23:36:19,131 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 23:36:19,132 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:36:19,132 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:36:19,179 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:36:19,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:36:19,180 INFO L158 Benchmark]: Toolchain (without parser) took 3654.21ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 99.1MB in the beginning and 55.4MB in the end (delta: 43.7MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2022-12-14 23:36:19,180 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:36:19,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1039.64ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 99.1MB in the beginning and 111.6MB in the end (delta: -12.5MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-12-14 23:36:19,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.57ms. Allocated memory is still 174.1MB. Free memory was 111.6MB in the beginning and 107.6MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:36:19,181 INFO L158 Benchmark]: Boogie Preprocessor took 18.72ms. Allocated memory is still 174.1MB. Free memory was 107.6MB in the beginning and 106.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:36:19,182 INFO L158 Benchmark]: RCFGBuilder took 384.37ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 86.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:36:19,182 INFO L158 Benchmark]: CodeCheck took 2107.25ms. Allocated memory is still 174.1MB. Free memory was 86.6MB in the beginning and 59.6MB in the end (delta: 26.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-12-14 23:36:19,182 INFO L158 Benchmark]: Witness Printer took 62.45ms. Allocated memory is still 174.1MB. Free memory was 59.6MB in the beginning and 55.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:36:19,184 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2458 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 754 mSDsluCounter, 1912 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 578 mSDsCounter, 408 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1536 IncrementalHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 408 mSolverCounterUnsat, 1334 mSDtfsCounter, 1536 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3612 GetRequests, 3562 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 34/34 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: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: 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: 1671]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1039.64ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 99.1MB in the beginning and 111.6MB in the end (delta: -12.5MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.57ms. Allocated memory is still 174.1MB. Free memory was 111.6MB in the beginning and 107.6MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.72ms. Allocated memory is still 174.1MB. Free memory was 107.6MB in the beginning and 106.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.37ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 86.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2107.25ms. Allocated memory is still 174.1MB. Free memory was 86.6MB in the beginning and 59.6MB in the end (delta: 26.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 62.45ms. Allocated memory is still 174.1MB. Free memory was 59.6MB in the beginning and 55.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:36:19,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2cb3b-7cb2-4a3d-8b51-0b09fa983f61/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