./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/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_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/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_fb1f4bab-83d1-4c34-8d00-45ad8113033d/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_fb1f4bab-83d1-4c34-8d00-45ad8113033d/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 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:33:14,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:33:14,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:33:14,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:33:14,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:33:14,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:33:14,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:33:14,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:33:14,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:33:14,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:33:14,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:33:14,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:33:14,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:33:14,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:33:14,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:33:14,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:33:14,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:33:14,987 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:33:14,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:33:14,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:14,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:33:14,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:33:14,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:33:14,990 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:33:14,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:33:14,990 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_fb1f4bab-83d1-4c34-8d00-45ad8113033d/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 -> 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 [2024-11-13 20:33:15,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:33:15,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:33:15,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:33:15,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:33:15,345 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:33:15,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c Unable to find full path for "g++" [2024-11-13 20:33:17,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:33:17,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:33:17,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2024-11-13 20:33:17,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/data/d0c6dc39b/0110ec37be0543419592108031dc77d0/FLAGeee16d36e [2024-11-13 20:33:17,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/data/d0c6dc39b/0110ec37be0543419592108031dc77d0 [2024-11-13 20:33:17,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:33:17,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:33:17,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:17,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:33:17,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:33:17,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:17" (1/1) ... [2024-11-13 20:33:17,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec2b34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:17, skipping insertion in model container [2024-11-13 20:33:17,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:17" (1/1) ... [2024-11-13 20:33:17,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:33:18,054 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_fb1f4bab-83d1-4c34-8d00-45ad8113033d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] [2024-11-13 20:33:18,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:18,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:33:18,112 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_fb1f4bab-83d1-4c34-8d00-45ad8113033d/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c[458,471] [2024-11-13 20:33:18,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:18,132 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:33:18,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18 WrapperNode [2024-11-13 20:33:18,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:18,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:18,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:33:18,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:33:18,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,166 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 20:33:18,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:18,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:33:18,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:33:18,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:33:18,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:33:18,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:33:18,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:33:18,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:33:18,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:18,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:33:18,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:33:18,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:33:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:33:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:33:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:33:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:33:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:33:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:33:18,326 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:33:18,328 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:33:18,456 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:33:18,456 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:33:18,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:33:18,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:33:18,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:18 BoogieIcfgContainer [2024-11-13 20:33:18,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:33:18,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:33:18,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:33:18,548 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:33:18,548 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:18" (1/1) ... [2024-11-13 20:33:18,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:33:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 20:33:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 20:33:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:33:18,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:18,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:33:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:18,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:33:18,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:33:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 20:33:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 20:33:19,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:33:19,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:19,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:19,319 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 20:33:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 20:33:19,830 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 20:33:19,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:33:19,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:19,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:33:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:19,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:33:19,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:20,026 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 20:33:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 20:33:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 20:33:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:33:20,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:20,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:33:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 14 states and 16 transitions. [2024-11-13 20:33:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 20:33:21,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:33:21,142 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 20:33:21,150 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:33:21,298 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:33:21,298 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-13 20:33:21,299 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 20:33:21,299 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:33:21,299 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 20:33:21,299 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 20:33:21,299 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 20:33:21,299 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-13 20:33:21,299 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 20:33:21,299 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 20:33:21,300 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 20:33:21,300 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 20:33:21,300 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-13 20:33:21,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:33:21 ImpRootNode [2024-11-13 20:33:21,317 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:33:21,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:33:21,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:33:21,317 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:33:21,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:18" (3/4) ... [2024-11-13 20:33:21,320 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:33:21,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 20:33:21,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 20:33:21,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 20:33:21,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:33:21,327 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:33:21,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:33:21,411 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:33:21,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:33:21,412 INFO L158 Benchmark]: Toolchain (without parser) took 3537.96ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 113.9MB in the end (delta: 4.5MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2024-11-13 20:33:21,412 INFO L158 Benchmark]: CDTParser took 1.56ms. Allocated memory is still 142.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:21,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.58ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 107.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:33:21,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.05ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:21,413 INFO L158 Benchmark]: Boogie Preprocessor took 18.81ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 813.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:33:21,413 INFO L158 Benchmark]: RCFGBuilder took 347.69ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 93.0MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:33:21,413 INFO L158 Benchmark]: CodeCheck took 2781.85ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 50.6MB in the end (delta: 42.4MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-13 20:33:21,414 INFO L158 Benchmark]: Witness Printer took 93.63ms. Allocated memory is still 142.6MB. Free memory was 50.6MB in the beginning and 113.9MB in the end (delta: -63.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-13 20:33:21,416 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: 2.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 40 mSDtfsCounter, 212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 376 SyntacticMatches, 4 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, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 2 NumberOfNonLiveVariables, 97 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 15/21 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 1.56ms. Allocated memory is still 142.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.58ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 107.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.05ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.81ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.4MB in the end (delta: 813.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.69ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 93.0MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2781.85ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 50.6MB in the end (delta: 42.4MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 93.63ms. Allocated memory is still 142.6MB. Free memory was 50.6MB in the beginning and 113.9MB in the end (delta: -63.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:33:21,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb1f4bab-83d1-4c34-8d00-45ad8113033d/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