./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/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_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:42:51,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:42:51,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:42:51,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:42:51,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:42:51,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:42:51,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:42:51,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:42:51,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:42:51,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:42:51,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:42:51,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:42:51,604 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:42:51,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:42:51,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:42:51,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:42:51,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:42:51,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:42:51,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:42:51,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:42:51,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:42:51,606 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:42:51,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:42:51,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:42:51,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:42:51,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:42:51,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:42:51,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:42:51,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:42:51,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:42:51,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:42:51,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:42:51,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:42:51,609 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_112572ea-11a6-41ed-9db0-90b7420fb36a/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 ! call(reach_error())) ) 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 -> 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 [2024-11-25 04:42:51,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:42:51,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:42:51,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:42:51,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:42:51,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:42:51,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2024-11-25 04:42:55,078 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/data/5a84e6698/a6b9b5978f834550b08b7e18a707c52e/FLAG7d981f38c [2024-11-25 04:42:55,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:42:55,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2024-11-25 04:42:55,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/data/5a84e6698/a6b9b5978f834550b08b7e18a707c52e/FLAG7d981f38c [2024-11-25 04:42:55,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/data/5a84e6698/a6b9b5978f834550b08b7e18a707c52e [2024-11-25 04:42:55,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:42:55,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:42:55,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:42:55,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:42:55,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:42:55,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729a532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55, skipping insertion in model container [2024-11-25 04:42:55,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:42:55,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] [2024-11-25 04:42:55,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:42:55,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:42:55,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] [2024-11-25 04:42:55,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:42:55,763 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:42:55,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55 WrapperNode [2024-11-25 04:42:55,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:42:55,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:42:55,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:42:55,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:42:55,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,802 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-25 04:42:55,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:42:55,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:42:55,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:42:55,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:42:55,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,825 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:42:55,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:42:55,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:42:55,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:42:55,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2024-11-25 04:42:55,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:42:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:42:55,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:42:55,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:42:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:42:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:42:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:42:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:42:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:42:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:42:56,010 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:42:56,012 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:42:56,163 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 04:42:56,163 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:42:56,217 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:42:56,218 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:42:56,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:56 BoogieIcfgContainer [2024-11-25 04:42:56,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:42:56,219 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:42:56,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:42:56,231 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:42:56,231 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:56" (1/1) ... [2024-11-25 04:42:56,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:42:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:56,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 04:42:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 04:42:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:42:56,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:56,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:42:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:42:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:56,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:42:56,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:56,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 04:42:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 04:42:56,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:42:56,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:56,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:42:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 04:42:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 04:42:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:42:57,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:57,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:42:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:42:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:57,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:42:57,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:42:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:42:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-25 04:42:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-25 04:42:57,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:42:57,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:42:57,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:42:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:42:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:42:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:42:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 12 states and 14 transitions. [2024-11-25 04:42:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 04:42:58,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:42:58,927 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-25 04:42:58,936 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:42:59,114 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:42:59,115 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-25 04:42:59,117 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)) [2024-11-25 04:42:59,118 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:42:59,118 INFO L77 FloydHoareUtils]: At program point L28(lines 27 36) the Hoare annotation is: (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)) [2024-11-25 04:42:59,118 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-25 04:42:59,118 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-25 04:42:59,118 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-25 04:42:59,119 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 04:42:59,119 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-25 04:42:59,119 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 04:42:59,119 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-25 04:42:59,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:42:59 ImpRootNode [2024-11-25 04:42:59,144 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:42:59,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:42:59,145 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:42:59,145 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:42:59,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:56" (3/4) ... [2024-11-25 04:42:59,149 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:42:59,153 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 04:42:59,158 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 04:42:59,158 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 04:42:59,159 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:42:59,159 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:42:59,256 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:42:59,257 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:42:59,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:42:59,260 INFO L158 Benchmark]: Toolchain (without parser) took 3812.24ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 104.3MB in the end (delta: -680.0kB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2024-11-25 04:42:59,261 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:42:59,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.10ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 92.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:42:59,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.92ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:42:59,263 INFO L158 Benchmark]: Boogie Preprocessor took 34.00ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 90.3MB in the end (delta: 994.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:42:59,263 INFO L158 Benchmark]: RCFGBuilder took 379.92ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 78.5MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:42:59,264 INFO L158 Benchmark]: CodeCheck took 2925.17ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 109.0MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:42:59,265 INFO L158 Benchmark]: Witness Printer took 111.92ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 104.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:42:59,267 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 32 mSDtfsCounter, 212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 325 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 2 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 13/17 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: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.10ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 92.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.92ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.00ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 90.3MB in the end (delta: 994.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 379.92ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 78.5MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2925.17ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 109.0MB in the end (delta: -30.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.92ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 104.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:42:59,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_112572ea-11a6-41ed-9db0-90b7420fb36a/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