./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9 --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 3a49e4bdbe89baf77a9ea03fdadf54fb13c2e8626e425d4f4f58f31d8fb15bc7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:54:33,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:54:33,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:54:33,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:54:33,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:54:33,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:54:33,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:54:33,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:54:33,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:54:33,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:54:33,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:54:33,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:54:33,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:54:33,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:54:33,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:54:33,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:54:33,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:54:33,820 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:54:33,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:54:33,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:54:33,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:54:33,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:54:33,823 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:54:33,823 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:54:33,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:54:33,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:33,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:54:33,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:54:33,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:54:33,826 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:54:33,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:54:33,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:54:33,827 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_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a49e4bdbe89baf77a9ea03fdadf54fb13c2e8626e425d4f4f58f31d8fb15bc7 [2023-12-03 03:54:34,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:54:34,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:54:34,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:54:34,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:54:34,060 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:54:34,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i [2023-12-03 03:54:36,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:54:37,065 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:54:37,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i [2023-12-03 03:54:37,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/data/05cce4e81/18e5b3eb96654b25970c5120c688454e/FLAG472dc125e [2023-12-03 03:54:37,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/data/05cce4e81/18e5b3eb96654b25970c5120c688454e [2023-12-03 03:54:37,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:54:37,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:54:37,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:37,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:54:37,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:54:37,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:37" (1/1) ... [2023-12-03 03:54:37,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb4f437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:37, skipping insertion in model container [2023-12-03 03:54:37,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:37" (1/1) ... [2023-12-03 03:54:37,169 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:54:37,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:37,942 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:54:38,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:38,200 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:54:38,200 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:54:38,201 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:54:38,201 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:54:38,209 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:54:38,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38 WrapperNode [2023-12-03 03:54:38,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:38,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:38,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:54:38,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:54:38,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,273 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 103 [2023-12-03 03:54:38,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:38,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:54:38,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:54:38,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:54:38,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:54:38,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:54:38,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:54:38,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:54:38,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:38,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:54:38,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:54:38,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:54:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 03:54:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 03:54:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:54:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:54:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:54:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:54:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:54:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:54:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:54:38,498 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:54:38,500 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:54:38,651 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:54:38,697 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:54:38,697 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:54:38,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:38 BoogieIcfgContainer [2023-12-03 03:54:38,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:54:38,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:54:38,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:54:38,709 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:54:38,710 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:38" (1/1) ... [2023-12-03 03:54:38,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:54:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:38,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-12-03 03:54:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-12-03 03:54:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:54:38,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:38,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:39,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2023-12-03 03:54:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-12-03 03:54:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:54:39,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:39,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2023-12-03 03:54:39,211 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-12-03 03:54:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:54:39,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:39,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:54:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 61 transitions. [2023-12-03 03:54:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-12-03 03:54:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:54:39,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:39,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:54:39,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 60 transitions. [2023-12-03 03:54:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-12-03 03:54:39,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:54:39,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:39,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:54:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:39,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 64 transitions. [2023-12-03 03:54:39,777 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-12-03 03:54:39,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:54:39,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:54:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 51 states and 63 transitions. [2023-12-03 03:54:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-12-03 03:54:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:54:39,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:39,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 46 transitions. [2023-12-03 03:54:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-03 03:54:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:54:40,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:40,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:54:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:40,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 50 transitions. [2023-12-03 03:54:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-12-03 03:54:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:54:40,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:40,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:54:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 55 transitions. [2023-12-03 03:54:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-12-03 03:54:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:54:40,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:40,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:54:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:40,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 45 states and 56 transitions. [2023-12-03 03:54:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-12-03 03:54:40,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:54:40,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:40,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:54:41,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 35 states and 39 transitions. [2023-12-03 03:54:41,167 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-12-03 03:54:41,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:54:41,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:41,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:54:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 34 states and 38 transitions. [2023-12-03 03:54:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-12-03 03:54:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:54:41,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:41,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:54:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:41,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 33 states and 37 transitions. [2023-12-03 03:54:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-12-03 03:54:41,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:54:41,706 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-12-03 03:54:41,715 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 03:54:41,861 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:54:41,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:54:41 ImpRootNode [2023-12-03 03:54:41,866 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:54:41,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:54:41,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:54:41,867 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:54:41,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:38" (3/4) ... [2023-12-03 03:54:41,869 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:54:41,872 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 03:54:41,872 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 03:54:41,877 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-03 03:54:41,878 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 03:54:41,878 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 03:54:41,879 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:54:41,981 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:54:41,981 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:54:41,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:54:41,982 INFO L158 Benchmark]: Toolchain (without parser) took 4878.30ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 101.8MB in the beginning and 69.7MB in the end (delta: 32.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 03:54:41,983 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:54:41,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1104.54ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 101.4MB in the beginning and 120.4MB in the end (delta: -19.0MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-12-03 03:54:41,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.62ms. Allocated memory is still 176.2MB. Free memory was 120.4MB in the beginning and 117.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:54:41,984 INFO L158 Benchmark]: Boogie Preprocessor took 26.69ms. Allocated memory is still 176.2MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:54:41,984 INFO L158 Benchmark]: RCFGBuilder took 397.22ms. Allocated memory is still 176.2MB. Free memory was 115.3MB in the beginning and 97.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:54:41,985 INFO L158 Benchmark]: CodeCheck took 3166.11ms. Allocated memory is still 176.2MB. Free memory was 97.3MB in the beginning and 75.9MB in the end (delta: 21.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-12-03 03:54:41,985 INFO L158 Benchmark]: Witness Printer took 115.25ms. Allocated memory is still 176.2MB. Free memory was 75.9MB in the beginning and 69.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:54:41,987 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1354 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 1033 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 248 mSDsCounter, 299 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 962 IncrementalHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 299 mSolverCounterUnsat, 785 mSDtfsCounter, 962 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2003 GetRequests, 1924 SyntacticMatches, 7 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1971 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1104.54ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 101.4MB in the beginning and 120.4MB in the end (delta: -19.0MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.62ms. Allocated memory is still 176.2MB. Free memory was 120.4MB in the beginning and 117.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.69ms. Allocated memory is still 176.2MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.22ms. Allocated memory is still 176.2MB. Free memory was 115.3MB in the beginning and 97.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3166.11ms. Allocated memory is still 176.2MB. Free memory was 97.3MB in the beginning and 75.9MB in the end (delta: 21.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 115.25ms. Allocated memory is still 176.2MB. Free memory was 75.9MB in the beginning and 69.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:54:42,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df9f746a-2f1e-4051-b5a5-fabcf865a832/bin/ukojak-verify-Qdu7aM0XO9/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