./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf4084038551b4d4dee908f8b840106d6ac9404d49a5054c0a9fd13f046dedeb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:39:46,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:39:46,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 20:39:46,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:39:46,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:39:46,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:39:46,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:39:46,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:39:46,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:39:46,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:39:46,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:39:46,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:39:46,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:39:46,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:39:46,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:39:46,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:39:46,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:39:46,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:39:46,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:39:46,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:39:46,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:39:46,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:39:46,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:39:46,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:39:46,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:39:46,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:39:46,173 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:39:46,173 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:39:46,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:39:46,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:46,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:39:46,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:39:46,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:39:46,174 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:39:46,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:39:46,175 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_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf4084038551b4d4dee908f8b840106d6ac9404d49a5054c0a9fd13f046dedeb [2024-11-13 20:39:46,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:39:46,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:39:46,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:39:46,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:39:46,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:39:46,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/hard.c Unable to find full path for "g++" [2024-11-13 20:39:48,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:39:48,762 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:39:48,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/sv-benchmarks/c/nla-digbench/hard.c [2024-11-13 20:39:48,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/data/3c17de7a4/dda57bfc1d224373913dc57b870536f8/FLAG64c1cabb7 [2024-11-13 20:39:48,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/data/3c17de7a4/dda57bfc1d224373913dc57b870536f8 [2024-11-13 20:39:48,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:39:48,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:39:48,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:48,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:39:48,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:39:48,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:48" (1/1) ... [2024-11-13 20:39:48,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e9b069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:48, skipping insertion in model container [2024-11-13 20:39:48,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:48" (1/1) ... [2024-11-13 20:39:48,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:39:49,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:49,038 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:39:49,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:49,073 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:39:49,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49 WrapperNode [2024-11-13 20:39:49,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:49,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:49,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:39:49,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:39:49,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,116 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-13 20:39:49,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:49,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:39:49,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:39:49,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:39:49,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:39:49,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:39:49,154 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:39:49,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:39:49,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:49,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:39:49,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:39:49,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:39:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:39:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:39:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:39:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:39:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:39:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:39:49,310 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:39:49,312 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:39:49,764 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-13 20:39:49,764 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:39:49,811 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:39:49,811 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:39:49,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:49 BoogieIcfgContainer [2024-11-13 20:39:49,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:39:49,813 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:39:49,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:39:49,824 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:39:49,824 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:49" (1/1) ... [2024-11-13 20:39:49,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:39:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2024-11-13 20:39:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2024-11-13 20:39:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:39:49,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:49,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:39:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:50,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2024-11-13 20:39:50,043 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2024-11-13 20:39:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:39:50,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:50,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:39:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:50,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:39:50,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:39:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:39:50,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2024-11-13 20:39:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2024-11-13 20:39:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:39:50,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:50,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:39:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:50,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:39:50,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:39:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:39:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 70 states and 81 transitions. [2024-11-13 20:39:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2024-11-13 20:39:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:39:50,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:50,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:39:51,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 89 transitions. [2024-11-13 20:39:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2024-11-13 20:39:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:39:51,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:51,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:39:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:51,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:39:51,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:39:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:39:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 100 transitions. [2024-11-13 20:39:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2024-11-13 20:39:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:39:51,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:51,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:39:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:39:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:39:51,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:39:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:39:51,732 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-13 20:39:51,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:39:51 ImpRootNode [2024-11-13 20:39:51,767 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:39:51,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:39:51,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:39:51,769 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:39:51,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:49" (3/4) ... [2024-11-13 20:39:51,771 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:39:51,816 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:39:51,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:39:51,817 INFO L158 Benchmark]: Toolchain (without parser) took 3015.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.2MB in the beginning and 313.3MB in the end (delta: -220.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-13 20:39:51,818 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:51,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.48ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:39:51,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.07ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:51,819 INFO L158 Benchmark]: Boogie Preprocessor took 35.35ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 673.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:51,819 INFO L158 Benchmark]: RCFGBuilder took 658.41ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 61.9MB in the end (delta: 17.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:39:51,820 INFO L158 Benchmark]: CodeCheck took 1954.40ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 61.9MB in the beginning and 315.6MB in the end (delta: -253.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:51,820 INFO L158 Benchmark]: Witness Printer took 48.76ms. Allocated memory is still 352.3MB. Free memory was 315.6MB in the beginning and 313.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:51,822 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, 65 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 169 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 16/16 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 - CounterExampleResult [Line: 40]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int A, B; [L24] int r, d, p, q; [L25] A = __VERIFIER_nondet_int() [L26] B = __VERIFIER_nondet_int() [L27] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L27] RET assume_abort_if_not(B >= 1) [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L34] COND TRUE 1 VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L35] CALL __VERIFIER_assert(q == 0) [L15] COND FALSE !(!(cond)) [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) [L15] COND FALSE !(!(cond)) [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) [L15] COND FALSE !(!(cond)) [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1073741824, d=1073741824, p=1, q=0, r=1073741824] [L40] 2 * d VAL [A=1073741824, B=1073741824, p=1, q=0, r=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.48ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.07ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.35ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 673.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 658.41ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 61.9MB in the end (delta: 17.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1954.40ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 61.9MB in the beginning and 315.6MB in the end (delta: -253.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.76ms. Allocated memory is still 352.3MB. Free memory was 315.6MB in the beginning and 313.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 20:39:51,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2651f5-2d91-4912-bf7e-2a620e434c7c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)