./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_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_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/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_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/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_fec8de81-65db-4ff1-8f17-cde278b3ba98/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 7d6be2f630bd3caa5e142e467ea79906f7b98c50afc6c846fb475bfdf0fb5aae --- 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 23:12:04,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:12:04,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:12:04,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:12:04,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:12:04,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:12:04,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:12:04,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:12:04,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:12:04,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:12:04,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:12:04,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:12:04,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:12:04,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:12:04,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:12:04,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:12:04,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:12:04,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:12:04,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:12:04,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:12:04,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:12:04,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:12:04,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:12:04,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:12:04,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:12:04,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:12:04,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:12:04,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:12:04,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:12:04,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:12:04,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:12:04,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:12:04,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:12:04,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:12:04,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:12:04,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:12:04,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:12:04,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:12:04,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:12:04,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:12:04,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:12:04,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 23:12:04,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:12:04,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:12:04,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:12:04,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:12:04,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:12:04,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:12:04,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:12:04,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:12:04,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:12:04,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:12:04,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:12:04,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:12:04,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:12:04,556 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:12:04,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:12:04,556 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:12:04,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:12:04,556 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:12:04,556 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:12:04,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:12:04,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:12:04,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:12:04,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:12:04,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:12:04,557 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:12:04,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:12:04,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:12:04,558 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_fec8de81-65db-4ff1-8f17-cde278b3ba98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d6be2f630bd3caa5e142e467ea79906f7b98c50afc6c846fb475bfdf0fb5aae [2022-12-14 23:12:04,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:12:04,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:12:04,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:12:04,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:12:04,741 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:12:04,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i [2022-12-14 23:12:07,346 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:12:07,626 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:12:07,627 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i [2022-12-14 23:12:07,644 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/data/459ac410a/99a4cc6a346940a0a705c274860f13a2/FLAGfd2cc5d74 [2022-12-14 23:12:07,658 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/data/459ac410a/99a4cc6a346940a0a705c274860f13a2 [2022-12-14 23:12:07,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:12:07,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:12:07,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:12:07,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:12:07,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:12:07,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:12:07" (1/1) ... [2022-12-14 23:12:07,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1532a308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:07, skipping insertion in model container [2022-12-14 23:12:07,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:12:07" (1/1) ... [2022-12-14 23:12:07,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:12:07,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:12:07,983 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:12:08,259 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:12:08,263 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:12:08,265 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:12:08,266 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:12:08,267 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:12:08,282 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:12:08,287 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:12:08,293 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:12:08,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:12:08,302 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:12:08,315 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 23:12:08,342 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 23:12:08,344 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:12:08,344 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 23:12:08,346 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:12:08,346 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 23:12:08,349 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:12:08,351 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 23:12:08,354 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 23:12:08,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:12:08,491 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:12:08,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08 WrapperNode [2022-12-14 23:12:08,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:12:08,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:12:08,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:12:08,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:12:08,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,539 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 107 [2022-12-14 23:12:08,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:12:08,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:12:08,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:12:08,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:12:08,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,561 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:12:08,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:12:08,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:12:08,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:12:08,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:12:08,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:12:08,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:12:08,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:12:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 23:12:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 23:12:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 23:12:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 23:12:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 23:12:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:12:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 23:12:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:12:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:12:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:12:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:12:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 23:12:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:12:08,738 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:12:08,740 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:12:08,901 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:12:08,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:12:08,926 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 23:12:08,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:12:08 BoogieIcfgContainer [2022-12-14 23:12:08,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:12:08,929 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:12:08,929 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:12:08,937 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:12:08,937 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:12:08" (1/1) ... [2022-12-14 23:12:08,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:12:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-12-14 23:12:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-12-14 23:12:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:12:08,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:08,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:09,198 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 23:12:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 72 transitions. [2022-12-14 23:12:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:12:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:12:09,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:09,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:09,308 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 23:12:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 71 transitions. [2022-12-14 23:12:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-12-14 23:12:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:12:09,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:09,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:09,381 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 23:12:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 78 transitions. [2022-12-14 23:12:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-12-14 23:12:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:12:09,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:09,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:09,483 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 23:12:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 70 transitions. [2022-12-14 23:12:09,554 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2022-12-14 23:12:09,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 23:12:09,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:09,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:09,600 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 23:12:09,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 72 transitions. [2022-12-14 23:12:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:12:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 23:12:09,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:09,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:09,897 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 23:12:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 82 transitions. [2022-12-14 23:12:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-12-14 23:12:10,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:12:10,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,142 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 23:12:10,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 76 transitions. [2022-12-14 23:12:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-12-14 23:12:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:12:10,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,192 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 23:12:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 79 transitions. [2022-12-14 23:12:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-12-14 23:12:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 23:12:10,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,317 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 23:12:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 78 transitions. [2022-12-14 23:12:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2022-12-14 23:12:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 23:12:10,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,394 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 23:12:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 86 transitions. [2022-12-14 23:12:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-12-14 23:12:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:12:10,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,485 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 23:12:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 83 transitions. [2022-12-14 23:12:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-12-14 23:12:10,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:12:10,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,658 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 23:12:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 85 transitions. [2022-12-14 23:12:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-14 23:12:10,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:12:10,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,784 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 23:12:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 83 transitions. [2022-12-14 23:12:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 23:12:10,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:12:10,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,912 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 23:12:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 50 states and 66 transitions. [2022-12-14 23:12:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-12-14 23:12:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:12:10,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:10,951 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 23:12:10,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 48 states and 63 transitions. [2022-12-14 23:12:10,995 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 23:12:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 23:12:10,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:10,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:11,049 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 23:12:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 50 states and 67 transitions. [2022-12-14 23:12:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 23:12:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 23:12:11,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:11,140 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 23:12:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 72 transitions. [2022-12-14 23:12:11,222 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2022-12-14 23:12:11,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 23:12:11,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:11,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:11,257 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 23:12:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 62 states and 86 transitions. [2022-12-14 23:12:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2022-12-14 23:12:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 23:12:11,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:11,698 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 23:12:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:11,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 90 transitions. [2022-12-14 23:12:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2022-12-14 23:12:11,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:12:11,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:11,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:11,920 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 23:12:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 62 states and 85 transitions. [2022-12-14 23:12:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-12-14 23:12:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:12:12,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:12,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:12,067 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 23:12:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 88 transitions. [2022-12-14 23:12:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-12-14 23:12:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:12:12,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:12,215 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 23:12:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 63 states and 85 transitions. [2022-12-14 23:12:12,343 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-12-14 23:12:12,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:12:12,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:12,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 23:12:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 82 transitions. [2022-12-14 23:12:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2022-12-14 23:12:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 23:12:12,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:12,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:12,641 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 23:12:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 64 states and 87 transitions. [2022-12-14 23:12:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-12-14 23:12:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:12:12,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:12,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:12,807 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 23:12:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 44 states and 56 transitions. [2022-12-14 23:12:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-12-14 23:12:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 23:12:12,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:12:12,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:12:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:12:12,908 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 23:12:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:12:12,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 43 states and 55 transitions. [2022-12-14 23:12:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 23:12:12,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 23:12:12,983 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-12-14 23:12:12,989 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 23:12:13,158 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 23:12:13,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:12:13 ImpRootNode [2022-12-14 23:12:13,163 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:12:13,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:12:13,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:12:13,163 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:12:13,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:12:08" (3/4) ... [2022-12-14 23:12:13,166 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 23:12:13,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 23:12:13,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 23:12:13,173 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 23:12:13,173 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 23:12:13,173 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 23:12:13,173 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:12:13,174 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 23:12:13,206 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:12:13,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:12:13,207 INFO L158 Benchmark]: Toolchain (without parser) took 5545.38ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 93.9MB in the beginning and 115.5MB in the end (delta: -21.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-12-14 23:12:13,207 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:12:13,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.35ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 93.9MB in the beginning and 108.8MB in the end (delta: -14.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-12-14 23:12:13,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.43ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 106.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:12:13,208 INFO L158 Benchmark]: Boogie Preprocessor took 25.10ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 104.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:12:13,208 INFO L158 Benchmark]: RCFGBuilder took 362.70ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 85.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 23:12:13,208 INFO L158 Benchmark]: CodeCheck took 4233.62ms. Allocated memory is still 159.4MB. Free memory was 85.8MB in the beginning and 119.7MB in the end (delta: -33.9MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-12-14 23:12:13,208 INFO L158 Benchmark]: Witness Printer took 43.19ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 115.5MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:12:13,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4692 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1661 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1372 mSDsCounter, 1052 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4452 IncrementalHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1052 mSolverCounterUnsat, 2221 mSDtfsCounter, 4452 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6104 GetRequests, 5956 SyntacticMatches, 14 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8584 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: 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: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.35ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 93.9MB in the beginning and 108.8MB in the end (delta: -14.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.43ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 106.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.10ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 104.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.70ms. Allocated memory is still 159.4MB. Free memory was 104.6MB in the beginning and 85.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4233.62ms. Allocated memory is still 159.4MB. Free memory was 85.8MB in the beginning and 119.7MB in the end (delta: -33.9MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Witness Printer took 43.19ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 115.5MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 23:12:13,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fec8de81-65db-4ff1-8f17-cde278b3ba98/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