./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/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_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/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 64bit --witnessprinter.graph.data.programhash f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:34:25,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:34:25,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:34:25,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:34:25,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:34:25,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:34:25,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:34:25,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:34:25,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:34:25,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:34:25,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:34:25,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:34:25,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:34:25,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:34:25,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:34:25,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:34:25,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:34:25,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:34:25,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:34:25,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:34:25,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:34:25,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:34:25,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:34:25,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:34:25,996 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_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c0f52e4e285a18472ace03d4db4ceb89212d4af812bbedd827878c931f4f63 [2024-11-13 22:34:26,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:34:26,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:34:26,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:34:26,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:34:26,342 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:34:26,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c Unable to find full path for "g++" [2024-11-13 22:34:28,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:34:28,664 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:34:28,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wcet2.c [2024-11-13 22:34:28,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/data/0a2d3e5bf/153d56bfcd4e4b298670de5094849c71/FLAGe4f947ba7 [2024-11-13 22:34:28,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/data/0a2d3e5bf/153d56bfcd4e4b298670de5094849c71 [2024-11-13 22:34:28,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:34:28,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:34:28,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:34:28,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:34:28,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:34:28,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:34:28" (1/1) ... [2024-11-13 22:34:28,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418583a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:28, skipping insertion in model container [2024-11-13 22:34:28,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:34:28" (1/1) ... [2024-11-13 22:34:28,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:34:29,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:34:29,168 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:34:29,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:34:29,194 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:34:29,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29 WrapperNode [2024-11-13 22:34:29,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:34:29,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:34:29,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:34:29,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:34:29,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,225 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-13 22:34:29,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:34:29,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:34:29,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:34:29,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:34:29,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:34:29,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:34:29,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:34:29,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:34:29,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:34:29,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:34:29,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:34:29,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:34:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:34:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:34:29,409 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:34:29,411 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:34:29,534 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 22:34:29,534 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:34:29,575 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:34:29,575 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:34:29,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:29 BoogieIcfgContainer [2024-11-13 22:34:29,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:34:29,577 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:34:29,577 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:34:29,590 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:34:29,591 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:29" (1/1) ... [2024-11-13 22:34:29,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:34:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 22:34:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 22:34:29,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:34:29,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:29,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:29,873 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 22:34:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 22:34:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 22:34:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:34:29,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:29,998 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 22:34:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-11-13 22:34:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-11-13 22:34:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:34:30,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:30,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:30,228 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 22:34:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-13 22:34:30,472 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-13 22:34:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:34:30,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:30,524 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 22:34:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-13 22:34:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-13 22:34:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:34:30,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:30,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-13 22:34:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-13 22:34:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:34:30,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:30,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 22:34:31,344 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 22:34:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:34:31,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:31,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:34:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:31,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-13 22:34:31,533 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 22:34:31,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:34:31,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:31,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:34:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 22:34:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 22:34:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:34:31,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:31,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:31,805 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 22:34:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 22:34:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 22:34:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:34:31,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:34:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:32,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 22:34:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 22:34:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:34:32,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:32,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:34:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:34:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:34:32,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:34:32,659 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-11-13 22:34:32,667 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 22:34:32,871 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-13 22:34:32,871 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:34:32,871 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-13 22:34:32,872 INFO L77 FloydHoareUtils]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 4)) [2024-11-13 22:34:32,872 INFO L77 FloydHoareUtils]: At program point L19-3(lines 19 21) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 4)) [2024-11-13 22:34:32,872 INFO L77 FloydHoareUtils]: At program point L17-2(lines 17 23) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) [2024-11-13 22:34:32,872 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:34:32,873 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-13 22:34:32,873 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2024-11-13 22:34:32,873 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i~0#1| 4)) [2024-11-13 22:34:32,873 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 4))) (or (and (<= |ULTIMATE.start_main_~j~0#1| 9) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (< 0 |ULTIMATE.start_main_~j~0#1|) .cse0) (and (<= 0 |ULTIMATE.start_main_~j~0#1|) .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 0)))) [2024-11-13 22:34:32,873 INFO L77 FloydHoareUtils]: At program point L20-1(line 20) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 4))) (or (and (<= |ULTIMATE.start_main_~j~0#1| 9) (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147483648)) (< 0 |ULTIMATE.start_main_~j~0#1|) .cse0) (and (<= 0 |ULTIMATE.start_main_~j~0#1|) .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 0)))) [2024-11-13 22:34:32,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:34:32 ImpRootNode [2024-11-13 22:34:32,885 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:34:32,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:34:32,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:34:32,886 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:34:32,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:34:29" (3/4) ... [2024-11-13 22:34:32,889 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:34:32,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 22:34:32,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:34:32,897 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 22:34:32,978 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:34:32,978 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:34:32,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:34:32,979 INFO L158 Benchmark]: Toolchain (without parser) took 4019.14ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 85.2MB in the end (delta: 33.5MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-13 22:34:32,980 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 81.2MB in the end (delta: 209.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:34:32,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.13ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 108.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:34:32,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.80ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 872.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:34:32,981 INFO L158 Benchmark]: Boogie Preprocessor took 18.60ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.9MB in the end (delta: 770.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:34:32,981 INFO L158 Benchmark]: RCFGBuilder took 330.20ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 96.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:34:32,981 INFO L158 Benchmark]: CodeCheck took 3308.33ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 89.6MB in the end (delta: 7.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-13 22:34:32,982 INFO L158 Benchmark]: Witness Printer took 92.49ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 85.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:34:32,988 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 949 IncrementalHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 224 mSolverCounterUnsat, 22 mSDtfsCounter, 949 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 690 GetRequests, 602 SyntacticMatches, 28 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 18/20 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 19]: Loop Invariant Derived loop invariant: (((0 <= (i + 2147483648)) && (0 <= j)) && (i <= 4)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 81.2MB in the end (delta: 209.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.13ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 108.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.80ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 107.7MB in the end (delta: 872.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.60ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.9MB in the end (delta: 770.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.20ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 96.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3308.33ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 89.6MB in the end (delta: 7.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 92.49ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 85.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:34:33,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2fe6c4-0dba-4b05-8530-68ef008ed30c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE