./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound5.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_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/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_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/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_f171c43a-56ca-4288-adf8-41aec1b64dd6/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 2178c6f728031bcf04d558c33456922a938f3195f7de6fe54a28dcd39328e684 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:27:35,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:27:35,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:27:35,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:27:35,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:27:35,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:27:35,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:27:35,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:27:35,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:27:35,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:27:35,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:27:35,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:27:35,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:27:35,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:27:35,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:27:35,633 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:27:35,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:27:35,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:27:35,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:27:35,634 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:27:35,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:27:35,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:35,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:27:35,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:27:35,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:27:35,635 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:27:35,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:27:35,636 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_f171c43a-56ca-4288-adf8-41aec1b64dd6/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 -> 2178c6f728031bcf04d558c33456922a938f3195f7de6fe54a28dcd39328e684 [2024-11-25 02:27:36,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:27:36,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:27:36,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:27:36,026 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:27:36,026 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:27:36,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound5.c [2024-11-25 02:27:39,103 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/data/ff515bda7/deda62305d3f42a89d597089e8416535/FLAG9aaf83541 [2024-11-25 02:27:39,385 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:27:39,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound5.c [2024-11-25 02:27:39,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/data/ff515bda7/deda62305d3f42a89d597089e8416535/FLAG9aaf83541 [2024-11-25 02:27:39,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/data/ff515bda7/deda62305d3f42a89d597089e8416535 [2024-11-25 02:27:39,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:27:39,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:27:39,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:39,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:27:39,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:27:39,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e63968e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39, skipping insertion in model container [2024-11-25 02:27:39,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,712 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:27:39,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:39,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:27:39,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:39,936 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:27:39,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39 WrapperNode [2024-11-25 02:27:39,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:39,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:39,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:27:39,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:27:39,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,967 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2024-11-25 02:27:39,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:39,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:27:39,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:27:39,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:27:39,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,980 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:27:39,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:27:39,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:27:39,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:27:39,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:39" (1/1) ... [2024-11-25 02:27:39,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:40,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:27:40,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:27:40,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:27:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:27:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:27:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:27:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:27:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:27:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:27:40,126 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:27:40,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:27:40,268 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 02:27:40,268 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:27:40,303 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:27:40,303 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:27:40,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:40 BoogieIcfgContainer [2024-11-25 02:27:40,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:27:40,305 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:27:40,305 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:27:40,316 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:27:40,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:40" (1/1) ... [2024-11-25 02:27:40,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:27:40,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 02:27:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 02:27:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 02:27:40,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:40,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:40,587 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 02:27:40,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 02:27:40,649 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 02:27:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:27:40,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:40,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:40,706 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 02:27:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-25 02:27:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 02:27:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:27:40,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 02:27:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 02:27:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:27:41,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:41,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:41,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:41,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2024-11-25 02:27:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-25 02:27:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:27:41,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:41,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:27:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 27 transitions. [2024-11-25 02:27:42,236 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-25 02:27:42,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:27:42,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:42,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:27:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 36 transitions. [2024-11-25 02:27:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-25 02:27:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:27:42,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:27:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 45 transitions. [2024-11-25 02:27:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-25 02:27:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 02:27:43,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:43,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:27:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 54 transitions. [2024-11-25 02:27:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2024-11-25 02:27:44,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 02:27:44,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:44,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-25 02:27:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 63 transitions. [2024-11-25 02:27:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-25 02:27:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 02:27:44,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:44,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 84 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 02:27:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 54 transitions. [2024-11-25 02:27:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2024-11-25 02:27:45,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:27:45,675 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-25 02:27:45,686 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 02:27:45,856 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) the Hoare annotation is: true [2024-11-25 02:27:45,857 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:27:45,857 INFO L77 FloydHoareUtils]: At program point L33-1(line 33) the Hoare annotation is: true [2024-11-25 02:27:45,857 INFO L77 FloydHoareUtils]: At program point L33-2(line 33) the Hoare annotation is: true [2024-11-25 02:27:45,857 INFO L77 FloydHoareUtils]: At program point L33-3(lines 33 43) the Hoare annotation is: (or (< 4 |ULTIMATE.start_main_#t~post6#1|) (<= ~counter~0 1) (and (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (<= ~counter~0 5))) [2024-11-25 02:27:45,857 INFO L77 FloydHoareUtils]: At program point L33-4(lines 33 43) the Hoare annotation is: (<= ~counter~0 5) [2024-11-25 02:27:45,857 INFO L77 FloydHoareUtils]: At program point L33-6(lines 33 43) the Hoare annotation is: true [2024-11-25 02:27:45,857 INFO L77 FloydHoareUtils]: At program point L33-7(lines 33 43) the Hoare annotation is: true [2024-11-25 02:27:45,857 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:27:45,858 INFO L77 FloydHoareUtils]: At program point L34(lines 33 43) the Hoare annotation is: true [2024-11-25 02:27:45,858 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) the Hoare annotation is: true [2024-11-25 02:27:45,858 INFO L77 FloydHoareUtils]: At program point L47(line 47) the Hoare annotation is: true [2024-11-25 02:27:45,858 INFO L77 FloydHoareUtils]: At program point L47-1(line 47) the Hoare annotation is: true [2024-11-25 02:27:45,858 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 15 21) the Hoare annotation is: true [2024-11-25 02:27:45,858 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: true [2024-11-25 02:27:45,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:27:45 ImpRootNode [2024-11-25 02:27:45,876 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:27:45,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:27:45,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:27:45,877 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:27:45,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:40" (3/4) ... [2024-11-25 02:27:45,880 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:27:45,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 02:27:45,887 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 02:27:45,887 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 02:27:45,888 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:27:45,888 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:27:45,979 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:27:45,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:27:45,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:27:45,981 INFO L158 Benchmark]: Toolchain (without parser) took 6304.28ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 119.6MB in the beginning and 256.0MB in the end (delta: -136.4MB). Peak memory consumption was 138.3MB. Max. memory is 16.1GB. [2024-11-25 02:27:45,982 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:45,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.82ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:27:45,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.30ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:45,983 INFO L158 Benchmark]: Boogie Preprocessor took 19.08ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 771.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:27:45,983 INFO L158 Benchmark]: RCFGBuilder took 316.51ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 95.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:27:45,984 INFO L158 Benchmark]: CodeCheck took 5571.61ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 95.4MB in the beginning and 260.2MB in the end (delta: -164.9MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2024-11-25 02:27:45,984 INFO L158 Benchmark]: Witness Printer took 103.11ms. Allocated memory is still 419.4MB. Free memory was 260.2MB in the beginning and 256.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:27:45,986 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 223 mSDsluCounter, 292 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 249 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 856 IncrementalHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 249 mSolverCounterUnsat, 148 mSDtfsCounter, 856 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1656 GetRequests, 1459 SyntacticMatches, 111 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3983 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 160/357 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 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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 - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.82ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.7MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.30ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.08ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.6MB in the end (delta: 771.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.51ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 95.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5571.61ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 95.4MB in the beginning and 260.2MB in the end (delta: -164.9MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. * Witness Printer took 103.11ms. Allocated memory is still 419.4MB. Free memory was 260.2MB in the beginning and 256.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:27:46,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f171c43a-56ca-4288-adf8-41aec1b64dd6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE