./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/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_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm --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 aca349e1b3075e13240eff0eeaaa2d6c5037eeae5747b24322472cf3e2c19f6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:25:28,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:25:29,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:25:29,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:25:29,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:25:29,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:25:29,145 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:25:29,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:25:29,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:25:29,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:25:29,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:25:29,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:25:29,148 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:25:29,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:25:29,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:25:29,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:25:29,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:25:29,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:25:29,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:25:29,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:25:29,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:25:29,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:25:29,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:25:29,149 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:25:29,149 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:25:29,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:25:29,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:25:29,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:29,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:25:29,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:25:29,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:25:29,151 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:25:29,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:25:29,151 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_48b02ee5-3f04-42b3-a186-2ec65d8571d9/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 ! 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 -> aca349e1b3075e13240eff0eeaaa2d6c5037eeae5747b24322472cf3e2c19f6a [2024-11-13 22:25:29,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:25:29,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:25:29,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:25:29,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:25:29,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:25:29,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c Unable to find full path for "g++" [2024-11-13 22:25:31,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:25:31,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:25:31,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c [2024-11-13 22:25:31,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/data/12416f4df/6d737f0b73ad462ab850a6bdc288c698/FLAG180a9a4e6 [2024-11-13 22:25:31,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/data/12416f4df/6d737f0b73ad462ab850a6bdc288c698 [2024-11-13 22:25:31,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:25:31,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:25:31,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:31,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:25:31,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:25:31,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:31,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25632d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:31, skipping insertion in model container [2024-11-13 22:25:31,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:31" (1/1) ... [2024-11-13 22:25:32,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:25:32,166 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_48b02ee5-3f04-42b3-a186-2ec65d8571d9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2024-11-13 22:25:32,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:32,203 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:25:32,217 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_48b02ee5-3f04-42b3-a186-2ec65d8571d9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound5.c[525,538] [2024-11-13 22:25:32,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:32,248 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:25:32,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32 WrapperNode [2024-11-13 22:25:32,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:32,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:32,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:25:32,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:25:32,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,287 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-13 22:25:32,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:32,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:25:32,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:25:32,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:25:32,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:25:32,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:25:32,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:25:32,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:25:32,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:32,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:25:32,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:25:32,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:25:32,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:25:32,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:25:32,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:25:32,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:25:32,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:25:32,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:25:32,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:25:32,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:25:32,479 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:25:32,482 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:25:32,651 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:25:32,652 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:25:32,702 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:25:32,702 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:25:32,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:32 BoogieIcfgContainer [2024-11-13 22:25:32,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:25:32,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:25:32,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:25:32,719 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:25:32,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:32" (1/1) ... [2024-11-13 22:25:32,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:25:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 22:25:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 22:25:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:32,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:32,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:25:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:32,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:25:33,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:33,180 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 22:25:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-13 22:25:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 22:25:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:25:33,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:25:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:34,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-13 22:25:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-13 22:25:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:25:34,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:34,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:25:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:34,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:25:34,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:25:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2024-11-13 22:25:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-13 22:25:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:25:35,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:35,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:25:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 22:25:35,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:25:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 22 states and 28 transitions. [2024-11-13 22:25:39,576 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 22:25:39,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:25:39,577 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 22:25:39,589 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:25:39,839 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 44) the Hoare annotation is: true [2024-11-13 22:25:39,840 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:25:39,840 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 44) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2024-11-13 22:25:39,840 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 5) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-11-13 22:25:39,840 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: true [2024-11-13 22:25:39,840 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: true [2024-11-13 22:25:39,840 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 5) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-11-13 22:25:39,841 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:25:39,841 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-11-13 22:25:39,841 INFO L77 FloydHoareUtils]: At program point L36-1(lines 35 44) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2024-11-13 22:25:39,841 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-13 22:25:39,841 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2024-11-13 22:25:39,841 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 11 13) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-13 22:25:39,842 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-11-13 22:25:39,842 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 22:25:39,842 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:25:39,842 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:25:39,842 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 22:25:39,843 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-11-13 22:25:39,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:25:39 ImpRootNode [2024-11-13 22:25:39,866 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:25:39,868 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:25:39,868 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:25:39,868 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:25:39,870 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:32" (3/4) ... [2024-11-13 22:25:39,873 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:25:39,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 22:25:39,878 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:25:39,883 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 22:25:39,884 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:25:39,885 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:25:39,885 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:25:39,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:25:39,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:25:39,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:25:39,989 INFO L158 Benchmark]: Toolchain (without parser) took 8011.25ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.5MB in the end (delta: 10.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-13 22:25:39,992 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:39,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.21ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:39,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.17ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:39,994 INFO L158 Benchmark]: Boogie Preprocessor took 36.23ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.1MB in the end (delta: 809.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:39,994 INFO L158 Benchmark]: RCFGBuilder took 376.66ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 69.5MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:25:39,994 INFO L158 Benchmark]: CodeCheck took 7161.83ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 86.6MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:39,995 INFO L158 Benchmark]: Witness Printer took 120.10ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 82.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:40,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270 IncrementalHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 72 mSDtfsCounter, 270 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 668 GetRequests, 606 SyntacticMatches, 12 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 79 ConstructedInterpolants, 2 QuantifiedInterpolants, 418 SizeOfPredicates, 3 NumberOfNonLiveVariables, 210 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 18/29 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 - PositiveResult [Line: 17]: 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: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 14]: 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 0.42ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.21ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.17ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.23ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 80.1MB in the end (delta: 809.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.66ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 69.5MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7161.83ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 86.6MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 120.10ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 82.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:25:40,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b02ee5-3f04-42b3-a186-2ec65d8571d9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE