./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-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_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/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_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/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_2df71daa-b294-413a-a3f8-c9289b4ca89c/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 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:00:25,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:00:25,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:00:25,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:00:25,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:00:25,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:00:25,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:00:25,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:00:25,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:00:25,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:00:25,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:00:25,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:00:25,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:00:25,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:00:25,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:00:25,391 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:00:25,391 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:00:25,393 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:00:25,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:00:25,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:25,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:00:25,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:00:25,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:00:25,394 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:00:25,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:00:25,394 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_2df71daa-b294-413a-a3f8-c9289b4ca89c/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 -> 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc [2024-11-13 22:00:25,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:00:25,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:00:25,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:00:25,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:00:25,750 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:00:25,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c Unable to find full path for "g++" [2024-11-13 22:00:27,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:00:28,059 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:00:28,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c [2024-11-13 22:00:28,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/data/a37d50cb6/ff8623a9b9584e88a65020637c2e3f45/FLAGb17dbf1cd [2024-11-13 22:00:28,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/data/a37d50cb6/ff8623a9b9584e88a65020637c2e3f45 [2024-11-13 22:00:28,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:00:28,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:00:28,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:28,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:00:28,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:00:28,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd07c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28, skipping insertion in model container [2024-11-13 22:00:28,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:00:28,288 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_2df71daa-b294-413a-a3f8-c9289b4ca89c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c[458,471] [2024-11-13 22:00:28,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:28,320 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:00:28,331 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_2df71daa-b294-413a-a3f8-c9289b4ca89c/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c[458,471] [2024-11-13 22:00:28,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:00:28,357 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:00:28,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28 WrapperNode [2024-11-13 22:00:28,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:00:28,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:28,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:00:28,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:00:28,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,394 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 22:00:28,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:00:28,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:00:28,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:00:28,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:00:28,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:00:28,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:00:28,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:00:28,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:00:28,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:00:28,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:00:28,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:00:28,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:00:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:00:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:00:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:00:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:00:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:00:28,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:00:28,569 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:00:28,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:00:28,743 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:00:28,744 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:00:28,792 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:00:28,792 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:00:28,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:28 BoogieIcfgContainer [2024-11-13 22:00:28,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:00:28,794 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:00:28,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:00:28,806 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:00:28,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:28" (1/1) ... [2024-11-13 22:00:28,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:00:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 22:00:28,880 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 22:00:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:00:28,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:00:29,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:29,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 22:00:29,301 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 22:00:29,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:00:29,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:29,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:30,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 22:00:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 22:00:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:00:30,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:00:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 22:00:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 22:00:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:00:30,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:30,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:00:30,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:00:31,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 22:00:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 22:00:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:00:31,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:00:31,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:31,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-13 22:00:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 22:00:31,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:00:31,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:31,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:31,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 22:00:31,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:00:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-13 22:00:32,446 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 22:00:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:00:32,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:32,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:00:32,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:00:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-13 22:00:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 22:00:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:00:33,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:33,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 54 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:00:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 26 states and 36 transitions. [2024-11-13 22:00:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-13 22:00:36,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:00:36,345 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 22:00:36,353 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:00:36,600 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:00:36,600 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-13 22:00:36,600 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|)) [2024-11-13 22:00:36,600 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:00:36,600 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 22:00:36,600 INFO L77 FloydHoareUtils]: At program point L28-1(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|)) [2024-11-13 22:00:36,600 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 22:00:36,600 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-13 22:00:36,601 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)) [2024-11-13 22:00:36,601 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:00:36,601 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))) [2024-11-13 22:00:36,601 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:00:36,601 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-13 22:00:36,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:00:36 ImpRootNode [2024-11-13 22:00:36,615 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:00:36,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:00:36,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:00:36,615 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:00:36,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:00:28" (3/4) ... [2024-11-13 22:00:36,618 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:00:36,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:00:36,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:00:36,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:00:36,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:00:36,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:00:36,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:00:36,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:00:36,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:00:36,701 INFO L158 Benchmark]: Toolchain (without parser) took 8602.58ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 51.5MB in the end (delta: 40.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-13 22:00:36,701 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.99ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 80.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:00:36,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.52ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.6MB in the end (delta: 864.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,703 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.8MB in the end (delta: 741.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,703 INFO L158 Benchmark]: RCFGBuilder took 368.48ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 67.4MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:00:36,703 INFO L158 Benchmark]: CodeCheck took 7820.58ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 56.2MB in the end (delta: 11.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-13 22:00:36,703 INFO L158 Benchmark]: Witness Printer took 82.87ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 51.5MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:00:36,705 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 272 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 696 IncrementalHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 84 mSDtfsCounter, 696 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1420 GetRequests, 1264 SyntacticMatches, 50 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4498 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 693 SizeOfPredicates, 6 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 214/331 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: 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 0.48ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.99ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 80.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.52ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.6MB in the end (delta: 864.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.8MB in the end (delta: 741.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.48ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 67.4MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7820.58ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 56.2MB in the end (delta: 11.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 82.87ms. Allocated memory is still 117.4MB. Free memory was 56.2MB in the beginning and 51.5MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:00:36,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2df71daa-b294-413a-a3f8-c9289b4ca89c/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