./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test24-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test24-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm --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 32bit --witnessprinter.graph.data.programhash 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:29:19,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:29:19,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:29:19,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:29:19,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:29:19,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:29:19,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:29:19,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:29:19,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:29:19,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:29:19,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:29:19,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:29:19,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:29:19,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:29:19,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:29:19,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:29:19,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:29:19,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:29:19,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:29:19,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:29:19,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:29:19,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:29:19,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:29:19,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:29:19,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:29:19,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:29:19,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:29:19,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:29:19,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:29:19,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:19,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:29:19,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:29:19,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:29:19,957 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:29:19,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:29:19,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7 [2024-11-13 21:29:20,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:29:20,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:29:20,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:29:20,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:29:20,347 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:29:20,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-regression/test24-1.c Unable to find full path for "g++" [2024-11-13 21:29:22,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:29:22,696 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:29:22,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/sv-benchmarks/c/ldv-regression/test24-1.c [2024-11-13 21:29:22,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/data/099adeb16/82eec3bb2eef48f9912e97f44cbc15db/FLAG79009fc33 [2024-11-13 21:29:22,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/data/099adeb16/82eec3bb2eef48f9912e97f44cbc15db [2024-11-13 21:29:22,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:29:22,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:29:22,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:22,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:29:22,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:29:22,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:22" (1/1) ... [2024-11-13 21:29:22,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b12e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:22, skipping insertion in model container [2024-11-13 21:29:22,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:22" (1/1) ... [2024-11-13 21:29:22,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:29:22,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:22,984 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:29:23,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:23,021 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:29:23,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23 WrapperNode [2024-11-13 21:29:23,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:23,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:23,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:29:23,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:29:23,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,058 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 21:29:23,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:23,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:29:23,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:29:23,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:29:23,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:29:23,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:29:23,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:29:23,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:29:23,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:23,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:29:23,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:29:23,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:29:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:29:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:29:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:29:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:29:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:29:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:29:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:29:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:29:23,314 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:29:23,316 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:29:23,536 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:29:23,537 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:29:23,602 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:29:23,602 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:29:23,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:23 BoogieIcfgContainer [2024-11-13 21:29:23,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:29:23,606 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:29:23,606 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:29:23,618 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:29:23,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:23" (1/1) ... [2024-11-13 21:29:23,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:29:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 21:29:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 21:29:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:29:23,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:23,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:24,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 21:29:24,199 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 21:29:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:29:24,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:24,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:29:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:29:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:29:24,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:24,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 21:29:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 21:29:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:29:24,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:24,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 21:29:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 21:29:25,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:29:25,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:25,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-13 21:29:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-13 21:29:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:29:26,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:26,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:29:27,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-13 21:29:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-13 21:29:27,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:29:27,147 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 21:29:27,157 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:29:27,213 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-13 21:29:27,214 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:29:27,214 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2024-11-13 21:29:27,214 INFO L77 FloydHoareUtils]: At program point L31(lines 31 33) the Hoare annotation is: true [2024-11-13 21:29:27,214 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 8) (<= (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|) 9)) [2024-11-13 21:29:27,215 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (and (<= 0 (+ 2147483649 |ULTIMATE.start_main_~i~0#1|)) (<= |ULTIMATE.start_main_~i~0#1| 8) (<= (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|) 9)) [2024-11-13 21:29:27,215 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~mem6#1| 9) (<= 0 |ULTIMATE.start_main_#t~mem6#1|) (<= (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|) 9)) [2024-11-13 21:29:27,215 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_#t~mem6#1| 9) (<= 0 (+ |ULTIMATE.start_main_#t~mem6#1| 2147483638)) (<= (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|) 9)) [2024-11-13 21:29:27,215 INFO L77 FloydHoareUtils]: At program point L23(lines 23 34) the Hoare annotation is: (= |ULTIMATE.start_main_~#ad1~0#1.offset| 0) [2024-11-13 21:29:27,215 INFO L77 FloydHoareUtils]: At program point L23-2(lines 23 34) the Hoare annotation is: true [2024-11-13 21:29:27,216 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:29:27,216 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 16 40) the Hoare annotation is: true [2024-11-13 21:29:27,216 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-13 21:29:27,216 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2024-11-13 21:29:27,216 INFO L77 FloydHoareUtils]: At program point L28-1(lines 28 30) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (= |ULTIMATE.start_main_#t~mem7#1| (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|)) (<= |ULTIMATE.start_main_#t~mem7#1| 9)) [2024-11-13 21:29:27,217 INFO L77 FloydHoareUtils]: At program point L28-3(lines 28 30) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|) 9)) [2024-11-13 21:29:27,217 INFO L77 FloydHoareUtils]: At program point L28-4(lines 28 30) the Hoare annotation is: true [2024-11-13 21:29:27,231 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 21:29:27,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 21:29:27,232 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~pa~0!base,]]] [2024-11-13 21:29:27,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:29:27 ImpRootNode [2024-11-13 21:29:27,235 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:29:27,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:29:27,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:29:27,236 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:29:27,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:23" (3/4) ... [2024-11-13 21:29:27,241 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:29:27,251 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 21:29:27,251 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:29:27,251 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:29:27,251 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:29:27,353 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:29:27,353 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:29:27,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:29:27,355 INFO L158 Benchmark]: Toolchain (without parser) took 4630.58ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2024-11-13 21:29:27,355 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:27,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.55ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:29:27,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.16ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:27,357 INFO L158 Benchmark]: Boogie Preprocessor took 43.87ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 883.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:29:27,357 INFO L158 Benchmark]: RCFGBuilder took 496.98ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:29:27,358 INFO L158 Benchmark]: CodeCheck took 3629.13ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 36.9MB in the end (delta: 30.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-13 21:29:27,358 INFO L158 Benchmark]: Witness Printer took 118.10ms. Allocated memory is still 117.4MB. Free memory was 36.9MB in the beginning and 90.6MB in the end (delta: -53.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-13 21:29:27,360 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, 17 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 309 IncrementalHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 30 mSDtfsCounter, 309 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 310 SyntacticMatches, 10 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4/7 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.55ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.16ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.87ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 883.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 496.98ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3629.13ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 36.9MB in the end (delta: 30.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 118.10ms. Allocated memory is still 117.4MB. Free memory was 36.9MB in the beginning and 90.6MB in the end (delta: -53.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~pa~0!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-13 21:29:27,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c711a356-ed10-420b-84bd-1327ff91d47d/bin/ukojak-verify-EEHR8qb7sm/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