./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.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_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/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_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/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_683e135b-465e-4176-8067-a4ea177c0b48/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 4c04ff4ba89c203752c2536888693b0490a6d8d55183f07b2fd5c1dc6af9f21c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:30:02,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:30:02,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:30:02,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:30:02,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:30:02,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:30:02,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:30:02,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:30:02,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:30:02,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:30:02,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:30:02,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:30:02,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:30:02,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:30:02,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:30:02,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:30:02,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:30:02,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:30:02,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:30:02,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:30:02,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:30:02,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:30:02,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:30:02,539 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:30:02,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:30:02,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:30:02,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:30:02,541 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:30:02,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:30:02,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:02,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:30:02,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:30:02,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:30:02,542 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:30:02,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:30:02,543 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_683e135b-465e-4176-8067-a4ea177c0b48/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 -> 4c04ff4ba89c203752c2536888693b0490a6d8d55183f07b2fd5c1dc6af9f21c [2024-11-25 02:30:02,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:30:02,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:30:02,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:30:03,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:30:03,001 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:30:03,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2024-11-25 02:30:06,474 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/data/1aa4ec43a/f1cd54d1830345f09a21dfbd0fad0676/FLAG2a7c14b1b [2024-11-25 02:30:06,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:30:06,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2024-11-25 02:30:06,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/data/1aa4ec43a/f1cd54d1830345f09a21dfbd0fad0676/FLAG2a7c14b1b [2024-11-25 02:30:06,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/data/1aa4ec43a/f1cd54d1830345f09a21dfbd0fad0676 [2024-11-25 02:30:06,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:30:06,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:30:06,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:06,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:30:06,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:30:06,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:06" (1/1) ... [2024-11-25 02:30:06,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4d8bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:06, skipping insertion in model container [2024-11-25 02:30:06,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:06" (1/1) ... [2024-11-25 02:30:06,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:30:07,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:07,091 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:30:07,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:07,132 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:30:07,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07 WrapperNode [2024-11-25 02:30:07,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:07,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:07,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:30:07,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:30:07,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,165 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-25 02:30:07,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:07,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:30:07,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:30:07,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:30:07,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,187 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:30:07,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:30:07,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:30:07,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:30:07,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:07,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:30:07,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:30:07,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:30:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:30:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:30:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:30:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:30:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:30:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:30:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:30:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:30:07,334 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:30:07,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:30:07,501 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 02:30:07,501 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:30:07,538 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:30:07,538 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:30:07,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:07 BoogieIcfgContainer [2024-11-25 02:30:07,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:30:07,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:30:07,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:30:07,550 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:30:07,550 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:07" (1/1) ... [2024-11-25 02:30:07,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:30:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-25 02:30:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-25 02:30:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:30:07,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:07,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:30:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:07,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:30:07,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:30:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2024-11-25 02:30:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 02:30:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:30:08,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:08,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:30:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:08,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:30:08,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:30:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 22 transitions. [2024-11-25 02:30:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 02:30:08,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:30:08,394 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-25 02:30:08,406 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 02:30:08,443 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) the Hoare annotation is: true [2024-11-25 02:30:08,444 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:30:08,444 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-25 02:30:08,444 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: true [2024-11-25 02:30:08,444 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 20) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-11-25 02:30:08,446 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2024-11-25 02:30:08,446 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-25 02:30:08,446 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 20) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-11-25 02:30:08,446 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-25 02:30:08,446 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:30:08,446 INFO L77 FloydHoareUtils]: At program point L34(line 34) the Hoare annotation is: true [2024-11-25 02:30:08,446 INFO L77 FloydHoareUtils]: At program point L36-2(lines 36 45) the Hoare annotation is: true [2024-11-25 02:30:08,446 INFO L77 FloydHoareUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2024-11-25 02:30:08,447 INFO L77 FloydHoareUtils]: At program point L36-3(lines 36 45) the Hoare annotation is: true [2024-11-25 02:30:08,447 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) the Hoare annotation is: true [2024-11-25 02:30:08,447 INFO L77 FloydHoareUtils]: At program point L37(lines 36 45) the Hoare annotation is: true [2024-11-25 02:30:08,447 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2024-11-25 02:30:08,447 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 11 13) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-25 02:30:08,447 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-11-25 02:30:08,447 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-11-25 02:30:08,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:30:08 ImpRootNode [2024-11-25 02:30:08,470 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:30:08,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:30:08,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:30:08,472 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:30:08,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:07" (3/4) ... [2024-11-25 02:30:08,489 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:30:08,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 02:30:08,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 02:30:08,501 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-25 02:30:08,502 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 02:30:08,502 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:30:08,502 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:30:08,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:30:08,596 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:30:08,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:30:08,600 INFO L158 Benchmark]: Toolchain (without parser) took 1739.12ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 112.7MB in the end (delta: 5.9MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:08,600 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:08,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.16ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 107.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:30:08,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.88ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:08,601 INFO L158 Benchmark]: Boogie Preprocessor took 33.50ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.5MB in the end (delta: 703.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:08,602 INFO L158 Benchmark]: RCFGBuilder took 337.25ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.3MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:08,602 INFO L158 Benchmark]: CodeCheck took 930.99ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 54.4MB in the end (delta: 38.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:30:08,602 INFO L158 Benchmark]: Witness Printer took 125.20ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 112.7MB in the end (delta: -58.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-25 02:30:08,604 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 24 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 200 SyntacticMatches, 6 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 105 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 8/12 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: 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: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.16ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 107.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.88ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.50ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 105.5MB in the end (delta: 703.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.25ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.3MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 930.99ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 54.4MB in the end (delta: 38.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 125.20ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 112.7MB in the end (delta: -58.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:30:08,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683e135b-465e-4176-8067-a4ea177c0b48/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 Result: TRUE