./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/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_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/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_3e86af09-196d-4dbc-9ddf-828664ec660a/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 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:20:23,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:20:23,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:20:23,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:20:23,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:20:23,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:20:23,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:20:23,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:20:23,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:20:23,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:20:23,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:20:23,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:20:23,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:20:23,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:20:23,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:20:23,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:20:23,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:20:23,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:20:23,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:20:23,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:20:23,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:20:23,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:20:23,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:20:23,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:20:23,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:20:23,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:20:23,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:20:23,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:20:23,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:20:23,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:20:23,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:20:23,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:20:23,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:20:23,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:20:23,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:20:23,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:20:23,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:20:23,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:20:23,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:20:23,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:20:23,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:20:23,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:20:23,084 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:20:23,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:20:23,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:20:23,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:20:23,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:20:23,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:20:23,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:20:23,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:20:23,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:20:23,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:20:23,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:20:23,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:20:23,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:20:23,087 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:20:23,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:20:23,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:20:23,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:20:23,088 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:20:23,088 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:20:23,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:20:23,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:20:23,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:20:23,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:20:23,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:20:23,089 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:20:23,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:20:23,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:20:23,089 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_3e86af09-196d-4dbc-9ddf-828664ec660a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea [2022-12-15 02:20:23,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:20:23,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:20:23,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:20:23,296 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:20:23,296 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:20:23,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-12-15 02:20:25,802 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:20:26,082 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:20:26,082 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2022-12-15 02:20:26,099 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/data/3f6407b60/6d4210ea0ec149d5bd6029a30d591031/FLAG95b2ce0e0 [2022-12-15 02:20:26,373 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/data/3f6407b60/6d4210ea0ec149d5bd6029a30d591031 [2022-12-15 02:20:26,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:20:26,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:20:26,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:20:26,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:20:26,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:20:26,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:20:26" (1/1) ... [2022-12-15 02:20:26,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dc3015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:26, skipping insertion in model container [2022-12-15 02:20:26,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:20:26" (1/1) ... [2022-12-15 02:20:26,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:20:26,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:20:26,723 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:20:27,035 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:20:27,041 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:20:27,043 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:20:27,045 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:20:27,045 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:20:27,079 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:20:27,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:20:27,089 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:20:27,109 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 02:20:27,152 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 02:20:27,154 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:20:27,155 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 02:20:27,157 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:20:27,157 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 02:20:27,165 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 02:20:27,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:20:27,303 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:20:27,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27 WrapperNode [2022-12-15 02:20:27,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:20:27,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:20:27,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:20:27,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:20:27,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,355 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-12-15 02:20:27,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:20:27,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:20:27,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:20:27,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:20:27,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:20:27,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:20:27,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:20:27,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:20:27,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:20:27,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:20:27,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:20:27,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:20:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 02:20:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 02:20:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 02:20:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 02:20:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:20:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:20:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:20:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 02:20:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:20:27,561 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:20:27,563 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:20:27,744 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:20:27,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:20:27,810 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 02:20:27,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:20:27 BoogieIcfgContainer [2022-12-15 02:20:27,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:20:27,814 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:20:27,814 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:20:27,821 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:20:27,821 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:20:27" (1/1) ... [2022-12-15 02:20:27,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:20:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-12-15 02:20:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-15 02:20:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:20:27,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:27,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:20:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-12-15 02:20:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-12-15 02:20:28,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:20:28,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:28,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:20:28,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-12-15 02:20:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-12-15 02:20:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:20:28,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:28,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:20:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-12-15 02:20:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-12-15 02:20:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:20:28,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:28,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:20:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-12-15 02:20:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-12-15 02:20:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:20:28,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:28,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:20:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-12-15 02:20:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-12-15 02:20:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:20:28,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:28,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:20:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-12-15 02:20:28,957 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-12-15 02:20:28,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:20:28,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:28,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 02:20:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:29,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-12-15 02:20:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-12-15 02:20:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:20:29,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:29,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 02:20:29,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:29,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-12-15 02:20:29,136 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-12-15 02:20:29,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:20:29,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:20:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2022-12-15 02:20:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-12-15 02:20:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:20:29,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:29,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:20:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2022-12-15 02:20:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-12-15 02:20:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:20:29,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:29,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:20:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2022-12-15 02:20:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-12-15 02:20:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:20:29,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:29,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:29,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 02:20:29,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 79 transitions. [2022-12-15 02:20:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-12-15 02:20:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:20:29,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:29,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:20:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 80 transitions. [2022-12-15 02:20:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-12-15 02:20:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:20:29,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:20:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 74 transitions. [2022-12-15 02:20:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-12-15 02:20:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:20:30,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:30,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 02:20:30,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 48 transitions. [2022-12-15 02:20:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-12-15 02:20:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:20:30,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:30,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:20:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 52 transitions. [2022-12-15 02:20:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-12-15 02:20:30,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:20:30,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:30,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:20:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 57 transitions. [2022-12-15 02:20:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-12-15 02:20:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:20:31,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:31,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 02:20:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 67 transitions. [2022-12-15 02:20:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-12-15 02:20:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 02:20:31,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:31,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 02:20:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:31,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 70 transitions. [2022-12-15 02:20:31,589 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-12-15 02:20:31,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:20:31,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:31,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 02:20:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 71 transitions. [2022-12-15 02:20:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-12-15 02:20:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 02:20:31,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:31,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 02:20:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 57 states and 72 transitions. [2022-12-15 02:20:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-12-15 02:20:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:20:32,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 02:20:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:32,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 42 states and 48 transitions. [2022-12-15 02:20:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-12-15 02:20:32,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:20:32,290 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2022-12-15 02:20:32,297 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-12-15 02:20:32,365 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-12-15 02:20:32,372 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:20:32,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:20:32,373 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-12-15 02:20:32,373 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:20:32,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:20:32 ImpRootNode [2022-12-15 02:20:32,374 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:20:32,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:20:32,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:20:32,375 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:20:32,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:20:27" (3/4) ... [2022-12-15 02:20:32,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:20:32,383 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 02:20:32,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 02:20:32,388 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-15 02:20:32,388 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-15 02:20:32,388 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 02:20:32,388 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:20:32,435 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:20:32,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:20:32,436 INFO L158 Benchmark]: Toolchain (without parser) took 6059.52ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 99.9MB in the beginning and 70.9MB in the end (delta: 29.0MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-12-15 02:20:32,437 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:20:32,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 925.84ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 99.9MB in the beginning and 118.9MB in the end (delta: -19.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-12-15 02:20:32,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.30ms. Allocated memory is still 169.9MB. Free memory was 118.9MB in the beginning and 114.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:20:32,437 INFO L158 Benchmark]: Boogie Preprocessor took 32.80ms. Allocated memory is still 169.9MB. Free memory was 114.7MB in the beginning and 113.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:20:32,438 INFO L158 Benchmark]: RCFGBuilder took 423.52ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 91.6MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 02:20:32,438 INFO L158 Benchmark]: CodeCheck took 4560.07ms. Allocated memory is still 169.9MB. Free memory was 91.6MB in the beginning and 74.0MB in the end (delta: 17.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-12-15 02:20:32,438 INFO L158 Benchmark]: Witness Printer took 61.18ms. Allocated memory is still 169.9MB. Free memory was 74.0MB in the beginning and 70.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:20:32,440 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1594 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 603 mSDsluCounter, 519 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 825 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3056 IncrementalHoareTripleChecker+Invalid, 3881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 825 mSolverCounterUnsat, 423 mSDtfsCounter, 3056 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3254 GetRequests, 3139 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4385 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 461 NumberOfCodeBlocks, 461 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 439 ConstructedInterpolants, 0 QuantifiedInterpolants, 706 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 15 PerfectInterpolantSequences, 89/96 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && data <= 2147483647) || i == 0 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 925.84ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 99.9MB in the beginning and 118.9MB in the end (delta: -19.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.30ms. Allocated memory is still 169.9MB. Free memory was 118.9MB in the beginning and 114.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.80ms. Allocated memory is still 169.9MB. Free memory was 114.7MB in the beginning and 113.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.52ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 91.6MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4560.07ms. Allocated memory is still 169.9MB. Free memory was 91.6MB in the beginning and 74.0MB in the end (delta: 17.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Witness Printer took 61.18ms. Allocated memory is still 169.9MB. Free memory was 74.0MB in the beginning and 70.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:20:32,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e86af09-196d-4dbc-9ddf-828664ec660a/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