./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/bary_diverge.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_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/bary_diverge.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b --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 b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:03:27,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:03:27,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:03:27,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:03:27,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:03:27,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:03:27,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:03:27,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:03:27,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:03:27,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:03:27,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:03:27,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:03:27,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:03:27,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:03:27,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:03:27,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:03:27,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:03:27,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:03:27,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:03:27,762 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:03:27,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:03:27,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:03:27,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:03:27,763 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:03:27,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:03:27,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:03:27,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:03:27,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:03:27,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:03:27,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:03:27,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:03:27,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:03:27,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:03:27,764 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:03:27,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:03:27,764 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_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b 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 -> b9d207296596aa3375527680ff88bb2bc1830663ee47f0fb08df7239383517f9 [2024-12-06 02:03:28,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:03:28,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:03:28,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:03:28,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:03:28,031 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:03:28,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/bary_diverge.c [2024-12-06 02:03:31,314 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/data/00b570a6b/71f4a33c743c41f6a141e903d773016e/FLAGffbe789fe [2024-12-06 02:03:31,537 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:03:31,538 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/sv-benchmarks/c/float-benchs/bary_diverge.c [2024-12-06 02:03:31,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/data/00b570a6b/71f4a33c743c41f6a141e903d773016e/FLAGffbe789fe [2024-12-06 02:03:31,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/data/00b570a6b/71f4a33c743c41f6a141e903d773016e [2024-12-06 02:03:31,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:03:31,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:03:31,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:03:31,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:03:31,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:03:31,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:03:31" (1/1) ... [2024-12-06 02:03:31,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8f774c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:31, skipping insertion in model container [2024-12-06 02:03:31,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:03:31" (1/1) ... [2024-12-06 02:03:31,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:03:32,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:03:32,082 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:03:32,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:03:32,113 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:03:32,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32 WrapperNode [2024-12-06 02:03:32,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:03:32,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:03:32,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:03:32,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:03:32,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,146 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 71 [2024-12-06 02:03:32,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:03:32,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:03:32,148 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:03:32,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:03:32,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,162 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:03:32,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:03:32,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:03:32,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:03:32,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:03:32,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:03:32,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:03:32,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:03:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:03:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2024-12-06 02:03:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2024-12-06 02:03:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:03:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:03:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:03:32,336 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:03:32,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:03:32,504 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-06 02:03:32,504 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:03:32,579 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:03:32,579 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:03:32,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:03:32 BoogieIcfgContainer [2024-12-06 02:03:32,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:03:32,580 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:03:32,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:03:32,590 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:03:32,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:03:32" (1/1) ... [2024-12-06 02:03:32,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:03:32,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-06 02:03:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-06 02:03:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:03:32,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:32,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 02:03:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-12-06 02:03:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-12-06 02:03:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:03:33,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:33,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 02:03:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 02:03:33,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 02:03:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:03:33,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:33,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 02:03:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-12-06 02:03:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-12-06 02:03:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:03:33,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:33,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-06 02:03:33,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 47 transitions. [2024-12-06 02:03:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-12-06 02:03:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 02:03:33,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:33,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-12-06 02:03:34,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 26 states and 33 transitions. [2024-12-06 02:03:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 02:03:34,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:03:34,237 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 02:03:34,247 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 02:03:34,303 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 22 28) the Hoare annotation is: true [2024-12-06 02:03:34,303 INFO L77 FloydHoareUtils]: At program point RANDOM_INPUTEXIT(lines 22 28) the Hoare annotation is: true [2024-12-06 02:03:34,303 INFO L77 FloydHoareUtils]: At program point L64(line 64) the Hoare annotation is: true [2024-12-06 02:03:34,303 INFO L77 FloydHoareUtils]: At program point L64-1(line 64) the Hoare annotation is: true [2024-12-06 02:03:34,303 INFO L77 FloydHoareUtils]: At program point L65(line 65) the Hoare annotation is: true [2024-12-06 02:03:34,304 INFO L77 FloydHoareUtils]: At program point L65-1(line 65) the Hoare annotation is: true [2024-12-06 02:03:34,304 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) the Hoare annotation is: true [2024-12-06 02:03:34,304 INFO L77 FloydHoareUtils]: At program point L61-3(line 61) the Hoare annotation is: true [2024-12-06 02:03:34,304 INFO L77 FloydHoareUtils]: At program point L61-4(line 61) the Hoare annotation is: true [2024-12-06 02:03:34,304 INFO L77 FloydHoareUtils]: At program point L61-5(lines 61 67) the Hoare annotation is: true [2024-12-06 02:03:34,304 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) the Hoare annotation is: true [2024-12-06 02:03:34,304 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:03:34,304 INFO L77 FloydHoareUtils]: At program point L58(line 58) the Hoare annotation is: true [2024-12-06 02:03:34,305 INFO L77 FloydHoareUtils]: At program point L58-1(line 58) the Hoare annotation is: true [2024-12-06 02:03:34,305 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:03:34,305 INFO L77 FloydHoareUtils]: At program point L63(line 63) the Hoare annotation is: (<= |ULTIMATE.start_main_~i~0#1| 3599999) [2024-12-06 02:03:34,305 INFO L77 FloydHoareUtils]: At program point L63-1(line 63) the Hoare annotation is: true [2024-12-06 02:03:34,305 INFO L77 FloydHoareUtils]: At program point L59(line 59) the Hoare annotation is: true [2024-12-06 02:03:34,305 INFO L77 FloydHoareUtils]: At program point L59-1(line 59) the Hoare annotation is: true [2024-12-06 02:03:34,320 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FALSE [2024-12-06 02:03:34,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~TRUE [2024-12-06 02:03:34,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:03:34 ImpRootNode [2024-12-06 02:03:34,324 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:03:34,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:03:34,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:03:34,325 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:03:34,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:03:32" (3/4) ... [2024-12-06 02:03:34,328 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:03:34,332 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure RANDOM_INPUT [2024-12-06 02:03:34,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-12-06 02:03:34,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-06 02:03:34,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 02:03:34,337 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:03:34,425 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:03:34,425 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:03:34,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:03:34,426 INFO L158 Benchmark]: Toolchain (without parser) took 2538.96ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 62.0MB in the end (delta: 30.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-12-06 02:03:34,427 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:03:34,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.82ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:03:34,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.53ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:03:34,428 INFO L158 Benchmark]: Boogie Preprocessor took 22.35ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.3MB in the end (delta: 784.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:03:34,428 INFO L158 Benchmark]: RCFGBuilder took 409.33ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 64.3MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:03:34,428 INFO L158 Benchmark]: CodeCheck took 1743.42ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 66.5MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:03:34,429 INFO L158 Benchmark]: Witness Printer took 100.83ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 62.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:03:34,431 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 170 mSDtfsCounter, 279 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1017 GetRequests, 973 SyntacticMatches, 18 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 308 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 279/304 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: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: 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: 22]: Procedure Contract for RANDOM_INPUT Derived contract for procedure RANDOM_INPUT. Ensures: (((INIT == \old(INIT)) && (C1 == \old(C1))) && (I == \old(I))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.82ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.53ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.35ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.3MB in the end (delta: 784.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 409.33ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 64.3MB in the end (delta: 15.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1743.42ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 66.5MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.83ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 62.0MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FALSE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~TRUE RESULT: Ultimate proved your program to be correct! [2024-12-06 02:03:34,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a85d488-b24c-4fde-925a-931e88d42c1d/bin/ukojak-verify-CZk0znPC7b/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