./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.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_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/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_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/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_10783359-0cf4-4b22-a12a-179de3f10f04/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 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:38:50,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:38:50,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:38:50,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:38:50,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:38:50,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:38:50,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:38:50,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:38:50,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:38:50,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:38:50,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:38:50,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:38:50,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:38:50,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:38:50,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:38:50,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:38:50,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:38:50,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:38:50,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:38:50,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:38:50,530 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:38:50,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:38:50,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:38:50,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:38:50,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:38:50,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:38:50,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:38:50,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:38:50,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:38:50,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:38:50,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:38:50,531 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:38:50,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:38:50,531 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_10783359-0cf4-4b22-a12a-179de3f10f04/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 -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2024-11-13 20:38:50,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:38:50,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:38:50,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:38:50,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:38:50,857 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:38:50,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c Unable to find full path for "g++" [2024-11-13 20:38:52,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:38:53,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:38:53,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-11-13 20:38:53,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/data/444e2a4ce/349a64a3ec6646b4a3d9f626e2f699a5/FLAG03c6343a9 [2024-11-13 20:38:53,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/data/444e2a4ce/349a64a3ec6646b4a3d9f626e2f699a5 [2024-11-13 20:38:53,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:38:53,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:38:53,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:38:53,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:38:53,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:38:53,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d10993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53, skipping insertion in model container [2024-11-13 20:38:53,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:38:53,236 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_10783359-0cf4-4b22-a12a-179de3f10f04/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-13 20:38:53,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:38:53,272 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:38:53,288 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_10783359-0cf4-4b22-a12a-179de3f10f04/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-13 20:38:53,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:38:53,320 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:38:53,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53 WrapperNode [2024-11-13 20:38:53,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:38:53,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:38:53,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:38:53,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:38:53,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,358 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-13 20:38:53,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:38:53,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:38:53,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:38:53,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:38:53,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:38:53,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:38:53,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:38:53,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:38:53,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:38:53,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:38:53,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:38:53,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:38:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:38:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:38:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:38:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:38:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:38:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:38:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:38:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:38:53,527 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:38:53,529 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:38:53,700 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:38:53,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:38:53,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:38:53,746 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:38:53,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:38:53 BoogieIcfgContainer [2024-11-13 20:38:53,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:38:53,748 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:38:53,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:38:53,759 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:38:53,759 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:38:53" (1/1) ... [2024-11-13 20:38:53,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:38:53,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 20:38:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 20:38:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:38:53,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:53,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:38:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:38:54,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:54,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 20:38:54,051 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 20:38:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:38:54,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:54,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:38:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:38:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:54,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:38:54,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:38:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:38:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:54,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-13 20:38:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-13 20:38:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:38:54,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:38:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:38:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 39 transitions. [2024-11-13 20:38:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-13 20:38:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:38:55,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:55,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:38:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:38:58,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:38:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2024-11-13 20:38:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-13 20:38:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:38:58,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:58,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:38:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:39:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:39:10,862 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:39:10,866 INFO L158 Benchmark]: Toolchain (without parser) took 17828.55ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 62.7MB in the end (delta: 29.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-13 20:39:10,866 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:10,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.67ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:39:10,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.42ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:10,867 INFO L158 Benchmark]: Boogie Preprocessor took 33.79ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.1MB in the end (delta: 628.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:10,868 INFO L158 Benchmark]: RCFGBuilder took 352.26ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.6MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:39:10,868 INFO L158 Benchmark]: CodeCheck took 17116.79ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 62.7MB in the end (delta: 3.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-11-13 20:39:10,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.67ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.42ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.79ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.1MB in the end (delta: 628.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.26ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.6MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17116.79ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 62.7MB in the end (delta: 3.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:39:10,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/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_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/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 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:39:13,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:39:13,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:39:13,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:39:13,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:39:13,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:39:13,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:39:13,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:39:13,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:39:13,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:39:13,665 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:39:13,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:39:13,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:39:13,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:39:13,668 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:39:13,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:39:13,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:39:13,669 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:13,669 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:39:13,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:39:13,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:13,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:39:13,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:39:13,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:39:13,670 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:39:13,670 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:13,670 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:39:13,671 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_10783359-0cf4-4b22-a12a-179de3f10f04/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 -> 6518e3283e254ed16f96ad802609fc9f9c972959c7f4631066de203a846c5b0d [2024-11-13 20:39:13,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:39:13,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:39:13,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:39:13,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:39:13,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:39:13,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c Unable to find full path for "g++" [2024-11-13 20:39:15,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:39:16,116 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:39:16,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-11-13 20:39:16,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/data/72803b896/6235862edddc426abe6bba73d9d798f3/FLAG7ec4e271a [2024-11-13 20:39:16,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/data/72803b896/6235862edddc426abe6bba73d9d798f3 [2024-11-13 20:39:16,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:39:16,405 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:39:16,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:16,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:39:16,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:39:16,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f5c7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16, skipping insertion in model container [2024-11-13 20:39:16,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:39:16,658 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_10783359-0cf4-4b22-a12a-179de3f10f04/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-13 20:39:16,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:16,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:39:16,720 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_10783359-0cf4-4b22-a12a-179de3f10f04/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-11-13 20:39:16,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:39:16,744 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:39:16,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16 WrapperNode [2024-11-13 20:39:16,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:39:16,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:16,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:39:16,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:39:16,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,781 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-13 20:39:16,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:39:16,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:39:16,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:39:16,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:39:16,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:39:16,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:39:16,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:39:16,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:39:16,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:39:16" (1/1) ... [2024-11-13 20:39:16,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:39:16,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:39:16,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:39:16,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:39:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:39:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:39:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:39:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:39:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:39:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:39:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:39:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:39:16,973 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:39:16,976 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:39:17,181 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:39:17,181 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:39:17,228 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:39:17,228 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:39:17,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:17 BoogieIcfgContainer [2024-11-13 20:39:17,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:39:17,230 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:39:17,230 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:39:17,241 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:39:17,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:39:17" (1/1) ... [2024-11-13 20:39:17,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:39:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:17,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-13 20:39:17,293 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-13 20:39:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:39:17,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:17,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:17,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:39:17,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:39:17,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:39:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:17,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:39:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:17,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:39:17,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:39:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:39:17,493 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:39:17,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:39:17,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:17,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 20:39:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 20:39:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:39:17,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:17,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:17,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:39:17,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:39:17,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:39:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:17,669 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:39:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:39:27,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:39:27,876 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:39:27,880 INFO L158 Benchmark]: Toolchain (without parser) took 11474.73ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 46.9MB in the end (delta: 45.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:39:27,880 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:27,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.27ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:39:27,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.22ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:27,881 INFO L158 Benchmark]: Boogie Preprocessor took 23.25ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 987.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:39:27,882 INFO L158 Benchmark]: RCFGBuilder took 422.87ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 64.0MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:39:27,882 INFO L158 Benchmark]: CodeCheck took 10649.05ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 46.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:39:27,885 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.27ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 80.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.22ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.25ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 987.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.87ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 64.0MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10649.05ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 46.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:39:27,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10783359-0cf4-4b22-a12a-179de3f10f04/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown