./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i --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_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/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_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/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_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/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 55b5907667de8828dab419c82ab626d27191191343b82d619fed89d8923b6a77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:16:01,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:16:01,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:16:01,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:16:01,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:16:01,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:16:01,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:16:01,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:16:01,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:16:01,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:16:01,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:16:01,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:16:01,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:16:01,973 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:16:01,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:16:01,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:16:01,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:16:01,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:16:01,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:16:01,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:16:01,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:16:01,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:16:01,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:16:01,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:16:01,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:16:01,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:16:01,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:16:01,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:16:01,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:16:01,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:01,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:16:01,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:16:01,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:16:01,977 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:16:01,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:16:01,977 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_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/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 -> 55b5907667de8828dab419c82ab626d27191191343b82d619fed89d8923b6a77 [2024-11-13 21:16:02,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:16:02,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:16:02,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:16:02,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:16:02,439 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:16:02,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i Unable to find full path for "g++" [2024-11-13 21:16:04,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:16:04,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:16:04,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2024-11-13 21:16:04,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/data/bcf6b4bc6/8da4d3d1530b4082aeb1af10e51e705f/FLAG731da65ae [2024-11-13 21:16:04,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/data/bcf6b4bc6/8da4d3d1530b4082aeb1af10e51e705f [2024-11-13 21:16:04,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:16:04,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:16:04,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:04,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:16:04,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:16:04,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbc9fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04, skipping insertion in model container [2024-11-13 21:16:04,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:16:04,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:04,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:16:04,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:16:04,864 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:16:04,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04 WrapperNode [2024-11-13 21:16:04,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:16:04,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:04,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:16:04,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:16:04,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,900 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2024-11-13 21:16:04,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:16:04,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:16:04,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:16:04,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:16:04,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:16:04,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:16:04,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:16:04,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:16:04,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:16:04" (1/1) ... [2024-11-13 21:16:04,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:16:04,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:16:04,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:16:04,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:16:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:16:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:16:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:16:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:16:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:16:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:16:05,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:16:05,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:16:05,193 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:16:05,193 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:16:05,241 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:16:05,242 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:16:05,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:05 BoogieIcfgContainer [2024-11-13 21:16:05,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:16:05,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:16:05,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:16:05,255 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:16:05,255 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:05" (1/1) ... [2024-11-13 21:16:05,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:16:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 21:16:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 21:16:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:16:05,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:05,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:05,563 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 21:16:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 21:16:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 21:16:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:16:05,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:05,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:05,754 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 21:16:05,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 21:16:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 21:16:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:16:05,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:16:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 21 transitions. [2024-11-13 21:16:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:16:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:16:06,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:16:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:16:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:16:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:16:06,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:16:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 20 transitions. [2024-11-13 21:16:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 21:16:06,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:16:06,355 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 21:16:06,370 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 21:16:06,438 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) the Hoare annotation is: true [2024-11-13 21:16:06,439 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:16:06,439 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: true [2024-11-13 21:16:06,439 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-13 21:16:06,439 INFO L77 FloydHoareUtils]: At program point L19-1(lines 16 20) the Hoare annotation is: true [2024-11-13 21:16:06,441 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (<= |ULTIMATE.start_main_~v~0#1| 50) [2024-11-13 21:16:06,441 INFO L77 FloydHoareUtils]: At program point L17-1(line 17) the Hoare annotation is: true [2024-11-13 21:16:06,442 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:16:06,442 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) the Hoare annotation is: true [2024-11-13 21:16:06,442 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-11-13 21:16:06,442 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: true [2024-11-13 21:16:06,442 INFO L77 FloydHoareUtils]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2024-11-13 21:16:06,442 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 13) the Hoare annotation is: true [2024-11-13 21:16:06,442 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2024-11-13 21:16:06,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:16:06 ImpRootNode [2024-11-13 21:16:06,459 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:16:06,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:16:06,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:16:06,461 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:16:06,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:16:05" (3/4) ... [2024-11-13 21:16:06,464 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:16:06,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 21:16:06,472 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 21:16:06,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:16:06,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:16:06,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:16:06,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:16:06,553 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:16:06,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:16:06,557 INFO L158 Benchmark]: Toolchain (without parser) took 1939.49ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 84.5MB in the end (delta: 7.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-11-13 21:16:06,557 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 42.0MB in the end (delta: 196.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:06,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.63ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 81.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:16:06,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.67ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.2MB in the end (delta: 935.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:06,559 INFO L158 Benchmark]: Boogie Preprocessor took 28.56ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 523.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:06,559 INFO L158 Benchmark]: RCFGBuilder took 311.30ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 69.5MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:16:06,559 INFO L158 Benchmark]: CodeCheck took 1215.60ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 89.1MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:06,560 INFO L158 Benchmark]: Witness Printer took 93.12ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 84.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:16:06,564 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 48 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 334 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 19/19 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory was 42.2MB in the beginning and 42.0MB in the end (delta: 196.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.63ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 81.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.67ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.2MB in the end (delta: 935.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.56ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.6MB in the end (delta: 523.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.30ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 69.5MB in the end (delta: 10.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1215.60ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 89.1MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.12ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 84.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:16:06,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea3018e6-c5df-4b3a-b1b4-1a40a2f513b5/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