./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3 --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 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:54:27,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:54:27,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:54:27,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:54:27,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:54:27,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:54:27,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:54:27,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:54:27,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:54:27,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:54:27,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:54:27,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:54:27,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:54:27,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:54:27,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:54:27,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:54:27,134 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:54:27,134 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:54:27,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:54:27,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:54:27,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:27,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:54:27,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:54:27,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:54:27,137 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:54:27,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:54:27,137 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_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3 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 -> 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 [2024-11-25 02:54:27,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:54:27,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:54:27,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:54:27,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:54:27,462 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:54:27,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-nla/prod4br-both-t.c [2024-11-25 02:54:30,387 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/data/ba2e6a01d/f2b4a20eaf954ac6afbcbc49cd572201/FLAGdc5234421 [2024-11-25 02:54:30,638 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:54:30,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/sv-benchmarks/c/termination-nla/prod4br-both-t.c [2024-11-25 02:54:30,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/data/ba2e6a01d/f2b4a20eaf954ac6afbcbc49cd572201/FLAGdc5234421 [2024-11-25 02:54:30,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/data/ba2e6a01d/f2b4a20eaf954ac6afbcbc49cd572201 [2024-11-25 02:54:30,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:54:30,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:54:30,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:30,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:54:30,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:54:30,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c32d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30, skipping insertion in model container [2024-11-25 02:54:30,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:54:30,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:30,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:54:30,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:30,940 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:54:30,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30 WrapperNode [2024-11-25 02:54:30,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:30,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:30,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:54:30,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:54:30,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,972 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-11-25 02:54:30,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:30,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:54:30,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:54:30,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:54:30,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,985 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:30,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:54:30,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:54:30,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:54:30,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:54:30,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:30" (1/1) ... [2024-11-25 02:54:31,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:31,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:54:31,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:54:31,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:54:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:54:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:54:31,118 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:54:31,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:54:31,646 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-25 02:54:31,646 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:54:31,684 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:54:31,686 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:54:31,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:54:31 BoogieIcfgContainer [2024-11-25 02:54:31,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:54:31,687 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:54:31,687 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:54:31,697 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:54:31,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:54:31" (1/1) ... [2024-11-25 02:54:31,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:54:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:54:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2024-11-25 02:54:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2024-11-25 02:54:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:54:31,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:54:31,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:54:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:54:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:54:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 98 states and 108 transitions. [2024-11-25 02:54:32,030 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2024-11-25 02:54:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:54:32,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:54:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:54:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:54:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:54:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2024-11-25 02:54:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2024-11-25 02:54:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:54:32,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:54:32,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:54:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:54:32,280 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:54:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:54:32,299 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 02:54:32,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:54:32 ImpRootNode [2024-11-25 02:54:32,323 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:54:32,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:54:32,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:54:32,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:54:32,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:54:31" (3/4) ... [2024-11-25 02:54:32,326 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:54:32,379 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 2. [2024-11-25 02:54:32,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:54:32,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:54:32,422 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:54:32,423 INFO L158 Benchmark]: Toolchain (without parser) took 1742.77ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.7MB in the beginning and 89.9MB in the end (delta: 30.8MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-11-25 02:54:32,423 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:54:32,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.09ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.4MB in the beginning and 84.9MB in the end (delta: 35.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:54:32,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.59ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 83.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:54:32,424 INFO L158 Benchmark]: Boogie Preprocessor took 21.22ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.5MB in the end (delta: 908.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:54:32,425 INFO L158 Benchmark]: RCFGBuilder took 691.95ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 63.4MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:54:32,425 INFO L158 Benchmark]: CodeCheck took 635.60ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 39.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:54:32,425 INFO L158 Benchmark]: Witness Printer took 98.19ms. Allocated memory is still 117.4MB. Free memory was 39.9MB in the beginning and 89.9MB in the end (delta: -50.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-25 02:54:32,427 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, 95 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 18 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x, y; [L21] int a, b, p, q; [L23] x = __VERIFIER_nondet_int() [L24] y = __VERIFIER_nondet_int() [L27] COND FALSE !(y < 1) [L31] a = x [L32] b = y [L33] p = 1 [L34] q = 0 VAL [a=-1073741826, b=2, p=1, q=0, x=-1073741826, y=2] [L39] a != 0 && b + q + a * b * p - x * y != 0 VAL [a=-1073741826, b=2, p=1, q=0, x=-1073741826, y=2] [L39] b + q VAL [a=-1073741826, b=2, p=1, q=0, x=-1073741826, y=2] [L39] a * b VAL [p=1, q=0, x=-1073741826, y=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.09ms. Allocated memory was 142.6MB in the beginning and 117.4MB in the end (delta: -25.2MB). Free memory was 120.4MB in the beginning and 84.9MB in the end (delta: 35.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.59ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 83.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.22ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.5MB in the end (delta: 908.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 691.95ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 63.4MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 635.60ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 39.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 98.19ms. Allocated memory is still 117.4MB. Free memory was 39.9MB in the beginning and 89.9MB in the end (delta: -50.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:54:32,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_513c444e-977e-458a-b3a2-bb293d38927e/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)