./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.01.c --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_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/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_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/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_73517a7c-d94e-4164-800c-7e5dd81c4876/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 0360ab125f8731d0a42139085091eb1fa52387472021da2b1f8231b4702522e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:51,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:51,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:30:51,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:51,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:51,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:51,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:51,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:51,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:51,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:51,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:51,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:51,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:51,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:51,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:51,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:51,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:51,934 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:51,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:51,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:51,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:51,936 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:51,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:51,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:51,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:51,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:51,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:51,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:51,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:51,942 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:51,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:51,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:51,944 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_73517a7c-d94e-4164-800c-7e5dd81c4876/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0360ab125f8731d0a42139085091eb1fa52387472021da2b1f8231b4702522e5 [2023-11-23 20:30:52,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:52,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:52,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:52,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:52,319 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:52,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-restricted-15/b.01.c [2023-11-23 20:30:55,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:55,847 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:55,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/sv-benchmarks/c/termination-restricted-15/b.01.c [2023-11-23 20:30:55,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/data/8bdb33985/19a7eca258d94e10a42fdef4402935bb/FLAG3eeeb8da2 [2023-11-23 20:30:55,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/data/8bdb33985/19a7eca258d94e10a42fdef4402935bb [2023-11-23 20:30:55,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:55,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:55,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:55,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:55,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:55,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:55" (1/1) ... [2023-11-23 20:30:55,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568928df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:55, skipping insertion in model container [2023-11-23 20:30:55,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:55" (1/1) ... [2023-11-23 20:30:55,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:56,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:56,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:56,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:56,088 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:56,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56 WrapperNode [2023-11-23 20:30:56,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:56,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:56,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:56,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:56,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,119 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-11-23 20:30:56,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:56,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:56,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:56,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:56,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:56,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:56,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:56,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:56,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:56,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:56,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:56,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:56,332 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:56,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:56,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:56,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:56,430 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:30:56,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:56 BoogieIcfgContainer [2023-11-23 20:30:56,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:56,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:56,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:56,445 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:56,445 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:56" (1/1) ... [2023-11-23 20:30:56,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-23 20:30:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-23 20:30:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:30:56,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:56,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:56,722 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 20:30:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-23 20:30:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-23 20:30:56,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:30:56,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:56,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:56,858 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 20:30:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-23 20:30:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-23 20:30:57,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:30:57,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:57,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:30:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:57,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2023-11-23 20:30:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2023-11-23 20:30:57,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:30:57,344 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-23 20:30:57,356 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-23 20:30:57,380 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-11-23 20:30:57,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:30:57 ImpRootNode [2023-11-23 20:30:57,392 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:30:57,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:30:57,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:30:57,393 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:30:57,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:56" (3/4) ... [2023-11-23 20:30:57,398 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:30:57,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-23 20:30:57,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:30:57,408 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:30:57,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:30:57,495 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:30:57,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:30:57,496 INFO L158 Benchmark]: Toolchain (without parser) took 1620.32ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 111.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-23 20:30:57,497 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:57,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.46ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 105.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:30:57,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 104.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:30:57,499 INFO L158 Benchmark]: Boogie Preprocessor took 26.83ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 103.2MB in the end (delta: 887.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:30:57,499 INFO L158 Benchmark]: RCFGBuilder took 283.64ms. Allocated memory is still 151.0MB. Free memory was 103.2MB in the beginning and 94.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:30:57,500 INFO L158 Benchmark]: CodeCheck took 958.58ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 116.0MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:30:57,501 INFO L158 Benchmark]: Witness Printer took 102.72ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 111.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:30:57,504 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 1 procedures, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 0 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((x <= 2147483647) && (0 <= (y + 2147483648))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.46ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 105.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.25ms. Allocated memory is still 151.0MB. Free memory was 105.7MB in the beginning and 104.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.83ms. Allocated memory is still 151.0MB. Free memory was 104.1MB in the beginning and 103.2MB in the end (delta: 887.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.64ms. Allocated memory is still 151.0MB. Free memory was 103.2MB in the beginning and 94.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 958.58ms. Allocated memory is still 151.0MB. Free memory was 94.0MB in the beginning and 116.0MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 102.72ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 111.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:30:57,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73517a7c-d94e-4164-800c-7e5dd81c4876/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