./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --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 466b1dd1b80ff8cd3c26a58eb1e997be30c7c66222b7d013535c23a91ea010b8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:45,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:46,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:19:46,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:46,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:46,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:46,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:46,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:46,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:46,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:46,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:46,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:46,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:46,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:46,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:46,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:46,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:46,088 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:46,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:46,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:46,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:46,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:46,091 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:46,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:46,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:46,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:46,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:46,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:46,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:46,095 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:46,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:46,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:46,097 INFO L153 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_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 466b1dd1b80ff8cd3c26a58eb1e997be30c7c66222b7d013535c23a91ea010b8 [2023-11-23 20:19:46,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:46,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:46,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:46,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:46,398 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:46,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_good.i [2023-11-23 20:19:49,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:50,009 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:50,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_good.i [2023-11-23 20:19:50,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/data/e9b9abdd8/bc1f0407a7b241c6b6aaa619afa72490/FLAG7208dae57 [2023-11-23 20:19:50,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/data/e9b9abdd8/bc1f0407a7b241c6b6aaa619afa72490 [2023-11-23 20:19:50,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:50,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:50,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:50,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:50,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:50,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:50" (1/1) ... [2023-11-23 20:19:50,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9009f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:50, skipping insertion in model container [2023-11-23 20:19:50,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:50" (1/1) ... [2023-11-23 20:19:50,165 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:50,627 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:19:51,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:51,328 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:51,351 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:19:51,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:51,695 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:51,695 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:51,696 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:51,696 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:51,696 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:51,706 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:51,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51 WrapperNode [2023-11-23 20:19:51,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:51,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:51,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:51,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:51,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,807 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 79 [2023-11-23 20:19:51,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:51,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:51,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:51,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:51,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:51,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:51,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:51,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:51,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:51,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:51,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:51,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:19:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:19:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:19:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:19:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:19:51,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:52,226 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:52,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:52,506 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:52,562 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:52,562 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:19:52,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:52 BoogieIcfgContainer [2023-11-23 20:19:52,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:52,566 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:52,566 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:52,579 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:52,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-23 20:19:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-23 20:19:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:19:52,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:52,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:53,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:53,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2023-11-23 20:19:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-23 20:19:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:19:53,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:53,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 55 transitions. [2023-11-23 20:19:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-11-23 20:19:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:19:53,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 52 transitions. [2023-11-23 20:19:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-23 20:19:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:19:53,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:53,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 51 transitions. [2023-11-23 20:19:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-23 20:19:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:19:53,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:53,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:53,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 44 transitions. [2023-11-23 20:19:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-23 20:19:54,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:19:54,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:19:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 43 transitions. [2023-11-23 20:19:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-23 20:19:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:19:54,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:54,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 47 transitions. [2023-11-23 20:19:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-23 20:19:54,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:19:54,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:54,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 52 transitions. [2023-11-23 20:19:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-23 20:19:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:19:54,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:54,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:19:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 33 states and 38 transitions. [2023-11-23 20:19:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-23 20:19:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:19:55,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:55,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:55,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 33 states and 37 transitions. [2023-11-23 20:19:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-23 20:19:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:19:55,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:55,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 32 states and 36 transitions. [2023-11-23 20:19:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-23 20:19:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:19:55,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:55,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:19:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 31 states and 35 transitions. [2023-11-23 20:19:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-23 20:19:56,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:19:56,092 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-23 20:19:56,100 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:19:56,258 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:19:56,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:19:56 ImpRootNode [2023-11-23 20:19:56,263 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:19:56,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:19:56,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:19:56,264 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:19:56,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:52" (3/4) ... [2023-11-23 20:19:56,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:19:56,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:19:56,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:19:56,275 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-23 20:19:56,276 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 20:19:56,276 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:19:56,277 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:19:56,395 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:19:56,396 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:19:56,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:19:56,397 INFO L158 Benchmark]: Toolchain (without parser) took 6326.93ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 118.5MB in the beginning and 104.6MB in the end (delta: 13.9MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2023-11-23 20:19:56,397 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:56,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1636.79ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 118.5MB in the beginning and 169.7MB in the end (delta: -51.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2023-11-23 20:19:56,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.79ms. Allocated memory is still 211.8MB. Free memory was 168.7MB in the beginning and 166.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:56,398 INFO L158 Benchmark]: Boogie Preprocessor took 74.84ms. Allocated memory is still 211.8MB. Free memory was 166.6MB in the beginning and 164.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:56,399 INFO L158 Benchmark]: RCFGBuilder took 678.40ms. Allocated memory is still 211.8MB. Free memory was 164.4MB in the beginning and 147.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:19:56,399 INFO L158 Benchmark]: CodeCheck took 3696.89ms. Allocated memory is still 211.8MB. Free memory was 146.7MB in the beginning and 109.7MB in the end (delta: 37.0MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-23 20:19:56,400 INFO L158 Benchmark]: Witness Printer took 132.95ms. Allocated memory is still 211.8MB. Free memory was 109.7MB in the beginning and 104.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:56,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1049 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 252 mSDsluCounter, 785 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 172 mSDsCounter, 254 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 847 IncrementalHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 254 mSolverCounterUnsat, 613 mSDtfsCounter, 847 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1766 GetRequests, 1696 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1842 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 50/50 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 98.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1636.79ms. Allocated memory was 155.2MB in the beginning and 211.8MB in the end (delta: 56.6MB). Free memory was 118.5MB in the beginning and 169.7MB in the end (delta: -51.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.79ms. Allocated memory is still 211.8MB. Free memory was 168.7MB in the beginning and 166.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.84ms. Allocated memory is still 211.8MB. Free memory was 166.6MB in the beginning and 164.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 678.40ms. Allocated memory is still 211.8MB. Free memory was 164.4MB in the beginning and 147.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3696.89ms. Allocated memory is still 211.8MB. Free memory was 146.7MB in the beginning and 109.7MB in the end (delta: 37.0MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Witness Printer took 132.95ms. Allocated memory is still 211.8MB. Free memory was 109.7MB in the beginning and 104.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:19:56,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d77cd27-ea83-4f16-99e7-8938b317496c/bin/ukojak-verify-1t5iHCbJaC/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