./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.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_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/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_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/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_d821f9bf-d65a-478d-82ef-9a283fd4304f/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:10:40,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:10:40,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:10:40,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:10:40,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:10:40,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:10:40,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:10:40,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:10:40,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:10:40,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:10:40,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:10:40,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:10:40,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:10:40,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:10:40,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:10:40,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:10:40,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:10:40,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:10:40,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:10:40,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:10:40,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:10:40,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:10:40,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:10:40,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:10:40,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:10:40,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:10:40,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:10:40,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:10:40,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:10:40,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:10:40,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:10:40,393 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:10:40,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:10:40,393 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_d821f9bf-d65a-478d-82ef-9a283fd4304f/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 -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2024-11-13 22:10:40,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:10:40,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:10:40,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:10:40,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:10:40,677 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:10:40,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-13 22:10:42,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:10:42,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:10:42,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-13 22:10:42,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/data/cb5e60f96/48b583a6c2b94e848efa971a1617747b/FLAG90452892c [2024-11-13 22:10:42,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/data/cb5e60f96/48b583a6c2b94e848efa971a1617747b [2024-11-13 22:10:42,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:10:42,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:10:42,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:10:42,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:10:42,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:10:42,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:10:42" (1/1) ... [2024-11-13 22:10:42,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfb0820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:42, skipping insertion in model container [2024-11-13 22:10:42,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:10:42" (1/1) ... [2024-11-13 22:10:42,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:10:43,142 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_d821f9bf-d65a-478d-82ef-9a283fd4304f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-13 22:10:43,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:10:43,174 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:10:43,187 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_d821f9bf-d65a-478d-82ef-9a283fd4304f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-13 22:10:43,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:10:43,214 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:10:43,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43 WrapperNode [2024-11-13 22:10:43,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:10:43,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:10:43,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:10:43,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:10:43,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,244 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 22:10:43,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:10:43,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:10:43,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:10:43,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:10:43,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,259 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:10:43,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:10:43,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:10:43,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:10:43,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:10:43,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:10:43,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:10:43,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:10:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:10:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:10:43,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:10:43,420 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:10:43,620 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:10:43,621 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:10:43,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:10:43,685 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:10:43,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:10:43 BoogieIcfgContainer [2024-11-13 22:10:43,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:10:43,687 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:10:43,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:10:43,699 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:10:43,699 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:10:43" (1/1) ... [2024-11-13 22:10:43,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:10:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 22:10:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 22:10:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:10:43,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:43,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:43,947 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 22:10:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 22:10:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 22:10:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:10:43,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:44,110 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 22:10:44,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 22:10:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 22:10:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:10:44,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:44,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:44,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:10:44,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:44,373 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 22:10:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 22:10:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 22:10:44,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:10:44,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:44,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:45,067 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 22:10:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 22:10:45,546 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 22:10:45,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:10:45,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:45,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:45,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:10:45,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:49,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:10:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 22:10:49,460 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 22:10:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:10:49,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:49,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:49,643 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 22:10:50,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-11-13 22:10:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-13 22:10:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:10:50,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:50,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:10:50,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:10:50,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-13 22:10:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 22:10:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:10:50,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:50,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:50,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:10:50,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:10:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-13 22:10:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-13 22:10:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:10:50,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:50,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:10:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2024-11-13 22:10:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-11-13 22:10:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:10:52,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:52,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:10:52,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:52,223 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:10:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2024-11-13 22:10:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2024-11-13 22:10:53,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:10:53,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:53,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:53,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:10:53,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:10:53,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:53,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2024-11-13 22:10:53,761 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-11-13 22:10:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:10:53,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:53,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:10:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:54,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2024-11-13 22:10:54,090 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-13 22:10:54,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:10:54,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:54,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:54,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:10:54,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:54,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:10:57,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:10:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-13 22:10:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-13 22:10:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:10:57,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:57,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:57,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:10:57,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:57,915 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 114 transitions. [2024-11-13 22:11:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 114 transitions. [2024-11-13 22:11:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:11:00,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:00,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:00,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:11:00,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:01,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2024-11-13 22:11:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2024-11-13 22:11:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:11:01,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:01,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:01,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:11:01,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:05,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:11:05,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:05,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 128 transitions. [2024-11-13 22:11:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 128 transitions. [2024-11-13 22:11:05,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:11:05,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:05,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:05,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:11:05,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:11:09,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:11:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2024-11-13 22:11:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2024-11-13 22:11:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:11:09,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:09,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:09,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:11:09,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2024-11-13 22:11:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2024-11-13 22:11:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:11:10,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:12,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 71 states and 153 transitions. [2024-11-13 22:11:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 153 transitions. [2024-11-13 22:11:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:11:12,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:12,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:12,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:11:12,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:13,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 74 states and 156 transitions. [2024-11-13 22:11:13,702 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 156 transitions. [2024-11-13 22:11:13,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:11:13,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:13,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:14,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 74 states and 155 transitions. [2024-11-13 22:11:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 155 transitions. [2024-11-13 22:11:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:11:14,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:14,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:11:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 74 states and 154 transitions. [2024-11-13 22:11:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 154 transitions. [2024-11-13 22:11:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:11:14,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:14,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:14,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:11:14,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 84 states and 187 transitions. [2024-11-13 22:11:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 187 transitions. [2024-11-13 22:11:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:11:18,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:18,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:18,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:11:18,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 87 states and 190 transitions. [2024-11-13 22:11:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 190 transitions. [2024-11-13 22:11:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:11:19,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:20,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:11:20,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:11:21,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:21,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 89 states and 192 transitions. [2024-11-13 22:11:21,048 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 192 transitions. [2024-11-13 22:11:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:11:21,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:21,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:11:21,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 91 states and 194 transitions. [2024-11-13 22:11:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 194 transitions. [2024-11-13 22:11:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:21,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:21,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:22,271 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 95 states and 222 transitions. [2024-11-13 22:11:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 222 transitions. [2024-11-13 22:11:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:24,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:24,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:24,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 22:11:24,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:11:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 99 states and 236 transitions. [2024-11-13 22:11:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 236 transitions. [2024-11-13 22:11:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:26,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:26,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 99 states and 235 transitions. [2024-11-13 22:11:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 235 transitions. [2024-11-13 22:11:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:27,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:27,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:11:27,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:11:30,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 102 states and 240 transitions. [2024-11-13 22:11:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 240 transitions. [2024-11-13 22:11:30,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:30,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:30,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:31,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:11:31,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:11:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 105 states and 243 transitions. [2024-11-13 22:11:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 243 transitions. [2024-11-13 22:11:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:32,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:32,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:33,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:11:33,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:37,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:11:37,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 107 states and 244 transitions. [2024-11-13 22:11:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 244 transitions. [2024-11-13 22:11:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:37,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:37,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 107 states and 243 transitions. [2024-11-13 22:11:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 243 transitions. [2024-11-13 22:11:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:38,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:38,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:38,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 22:11:38,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:11:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:40,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 109 states and 244 transitions. [2024-11-13 22:11:40,034 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 244 transitions. [2024-11-13 22:11:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:11:40,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:40,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:11:40,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 243 transitions. [2024-11-13 22:11:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2024-11-13 22:11:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:11:40,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:40,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:40,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:11:40,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:41,130 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:11:47,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 119 states and 279 transitions. [2024-11-13 22:11:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 279 transitions. [2024-11-13 22:11:47,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:11:47,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:47,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:11:47,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:11:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 120 states and 281 transitions. [2024-11-13 22:11:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 281 transitions. [2024-11-13 22:11:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:11:47,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:47,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:47,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:11:47,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:47,768 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:11:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:50,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2024-11-13 22:11:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2024-11-13 22:11:50,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:11:50,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:50,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:50,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:11:50,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:11:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 126 states and 289 transitions. [2024-11-13 22:11:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 289 transitions. [2024-11-13 22:11:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:11:51,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:51,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:51,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:11:51,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:11:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 128 states and 291 transitions. [2024-11-13 22:11:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 291 transitions. [2024-11-13 22:11:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:11:53,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:53,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:53,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:11:53,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:11:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 130 states and 293 transitions. [2024-11-13 22:11:54,346 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 293 transitions. [2024-11-13 22:11:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:11:54,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:54,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:54,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:11:54,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:11:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:11:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:11:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 132 states and 294 transitions. [2024-11-13 22:11:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 294 transitions. [2024-11-13 22:11:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:11:55,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:11:55,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:11:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:11:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:11:59,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 22:11:59,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 19 proven. 64 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:12:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:03,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 136 states and 310 transitions. [2024-11-13 22:12:03,201 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 310 transitions. [2024-11-13 22:12:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:03,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:03,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:07,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:12:07,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:12:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 139 states and 313 transitions. [2024-11-13 22:12:09,654 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 313 transitions. [2024-11-13 22:12:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:09,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:09,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:12:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 143 states and 350 transitions. [2024-11-13 22:12:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 350 transitions. [2024-11-13 22:12:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:13,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:15,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:12:15,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:12:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:17,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 146 states and 353 transitions. [2024-11-13 22:12:17,647 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 353 transitions. [2024-11-13 22:12:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:17,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:20,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:12:20,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:12:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 149 states and 356 transitions. [2024-11-13 22:12:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 356 transitions. [2024-11-13 22:12:22,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:22,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:22,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:22,607 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:12:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 149 states and 355 transitions. [2024-11-13 22:12:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 355 transitions. [2024-11-13 22:12:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:23,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:23,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:25,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:12:25,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:25,830 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:12:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:27,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 151 states and 356 transitions. [2024-11-13 22:12:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 356 transitions. [2024-11-13 22:12:27,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:27,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:27,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:30,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:12:30,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:12:34,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:12:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 153 states and 357 transitions. [2024-11-13 22:12:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 357 transitions. [2024-11-13 22:12:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:35,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:35,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:12:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 153 states and 356 transitions. [2024-11-13 22:12:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 356 transitions. [2024-11-13 22:12:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:35,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:35,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:12:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 153 states and 355 transitions. [2024-11-13 22:12:36,700 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 355 transitions. [2024-11-13 22:12:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:12:36,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:36,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:12:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:37,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 153 states and 354 transitions. [2024-11-13 22:12:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 354 transitions. [2024-11-13 22:12:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:37,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:37,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:12:37,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:12:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 163 states and 395 transitions. [2024-11-13 22:12:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 395 transitions. [2024-11-13 22:12:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:46,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:46,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:46,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:12:46,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:12:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:48,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 166 states and 399 transitions. [2024-11-13 22:12:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 399 transitions. [2024-11-13 22:12:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:48,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:48,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:48,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:12:48,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:12:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:50,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 169 states and 402 transitions. [2024-11-13 22:12:50,609 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 402 transitions. [2024-11-13 22:12:50,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:50,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:50,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:50,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:12:50,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:12:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 170 states and 406 transitions. [2024-11-13 22:12:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 406 transitions. [2024-11-13 22:12:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:51,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:51,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:52,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:12:52,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:12:53,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 171 states and 408 transitions. [2024-11-13 22:12:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 408 transitions. [2024-11-13 22:12:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:53,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:53,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:53,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:12:53,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:12:56,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 175 states and 411 transitions. [2024-11-13 22:12:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 411 transitions. [2024-11-13 22:12:56,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:56,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:56,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:56,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:12:56,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:12:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 178 states and 414 transitions. [2024-11-13 22:12:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 414 transitions. [2024-11-13 22:12:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:57,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:57,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:57,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:12:57,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:12:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:12:58,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 180 states and 415 transitions. [2024-11-13 22:12:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 415 transitions. [2024-11-13 22:12:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 22:12:58,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:12:58,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:12:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:12:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:12:58,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:12:58,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:12:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 22:13:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 182 states and 416 transitions. [2024-11-13 22:13:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 416 transitions. [2024-11-13 22:13:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:13:00,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:00,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:10,490 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 22:13:10,494 INFO L158 Benchmark]: Toolchain (without parser) took 147542.23ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 94.1MB in the beginning and 528.1MB in the end (delta: -434.1MB). Peak memory consumption was 146.4MB. Max. memory is 16.1GB. [2024-11-13 22:13:10,494 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:13:10,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.93ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:13:10,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.17ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:13:10,495 INFO L158 Benchmark]: Boogie Preprocessor took 28.89ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 683.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:13:10,496 INFO L158 Benchmark]: RCFGBuilder took 411.58ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 68.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:13:10,496 INFO L158 Benchmark]: CodeCheck took 146805.65ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 68.8MB in the beginning and 528.1MB in the end (delta: -459.3MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. [2024-11-13 22:13:10,498 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 0.28ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.93ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.17ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.89ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 683.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 411.58ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 68.8MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 146805.65ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 68.8MB in the beginning and 528.1MB in the end (delta: -459.3MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:13:10,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/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 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_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/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_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/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_d821f9bf-d65a-478d-82ef-9a283fd4304f/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:13:13,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:13:13,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:13:13,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:13:13,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:13:13,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:13:13,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:13:13,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:13:13,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:13:13,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:13:13,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:13:13,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:13:13,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:13:13,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:13:13,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:13:13,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:13:13,182 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:13:13,182 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:13:13,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:13:13,182 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:13:13,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:13:13,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:13:13,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:13:13,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:13:13,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:13:13,183 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:13:13,184 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:13,184 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:13:13,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:13:13,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:13,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:13:13,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:13:13,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:13:13,185 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:13:13,185 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:13,185 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:13:13,185 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_d821f9bf-d65a-478d-82ef-9a283fd4304f/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 -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2024-11-13 22:13:13,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:13:13,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:13:13,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:13:13,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:13:13,536 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:13:13,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-13 22:13:15,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:13:15,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:13:15,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-13 22:13:15,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/data/682a0a246/877cd2995f6a49c98177f10ea01a23f1/FLAG6508dce97 [2024-11-13 22:13:15,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/data/682a0a246/877cd2995f6a49c98177f10ea01a23f1 [2024-11-13 22:13:15,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:13:15,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:13:15,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:15,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:13:15,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:13:15,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:15" (1/1) ... [2024-11-13 22:13:15,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a15b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:15, skipping insertion in model container [2024-11-13 22:13:15,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:15" (1/1) ... [2024-11-13 22:13:15,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:13:15,901 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_d821f9bf-d65a-478d-82ef-9a283fd4304f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-13 22:13:15,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:15,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:13:15,961 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_d821f9bf-d65a-478d-82ef-9a283fd4304f/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-13 22:13:15,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:16,003 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:13:16,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16 WrapperNode [2024-11-13 22:13:16,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:16,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:16,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:13:16,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:13:16,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,040 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-13 22:13:16,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:16,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:13:16,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:13:16,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:13:16,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:13:16,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:13:16,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:13:16,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:13:16,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:16,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:13:16,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:13:16,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:13:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:13:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:13:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:13:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:13:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:13:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:13:16,204 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:13:16,205 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:16,625 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:16,625 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:16,675 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:16,676 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:13:16,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:16 BoogieIcfgContainer [2024-11-13 22:13:16,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:16,677 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:16,677 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:16,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:16,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:16" (1/1) ... [2024-11-13 22:13:16,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:16,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 22:13:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 22:13:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:13:16,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:16,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:16,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:16,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:16,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:13:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:16,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:17,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:13:17,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:17,082 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 22:13:17,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:13:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 22:13:17,112 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 22:13:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:13:17,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:17,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:17,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:17,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:17,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:13:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:17,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:17,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:13:17,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:17,759 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 22:13:17,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:13:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 22:13:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 22:13:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:13:17,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:17,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:17,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:17,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:17,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:13:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:18,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:18,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:13:18,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:18,911 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 22:13:18,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:13:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 22:13:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 22:13:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:13:22,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:22,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:13:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:13:22,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:13:22,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:13:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:22,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:13:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:22,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:13:22,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:38,589 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 22:13:38,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:14:09,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 22:14:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 22:14:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:14:09,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:09,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:14:09,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:14:09,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:14:09,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:14:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:10,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:14:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:10,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:14:10,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:13,381 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 22:14:13,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:15:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-13 22:15:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-13 22:15:54,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:15:54,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:54,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:15:54,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:15:54,063 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:15:54,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:15:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:55,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:15:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:55,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:15:55,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:56,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:16:40,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:16:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-13 22:16:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-13 22:16:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:16:51,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:51,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:16:51,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:16:51,495 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:16:51,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:16:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:51,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:16:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:52,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:16:52,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:16:54,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:17:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:17:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2024-11-13 22:17:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-13 22:17:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:17:54,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:17:54,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:17:54,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:17:54,138 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:17:54,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:17:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:55,582 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:17:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:17:56,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:17:56,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:17:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:17:58,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 22:18:51,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:19:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:12,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2024-11-13 22:19:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-13 22:19:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:19:12,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:12,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:19:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:19:12,127 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:19:12,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:19:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:13,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:19:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:14,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:19:14,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:19:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:19:14,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:20:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 97 transitions. [2024-11-13 22:20:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2024-11-13 22:20:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:20:24,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:24,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:20:24,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:20:24,997 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:20:24,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:20:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:26,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:20:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:26,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:20:26,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:20:33,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:21:30,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 130 transitions. [2024-11-13 22:21:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 130 transitions. [2024-11-13 22:21:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:21:30,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:30,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:30,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:30,095 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:30,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:21:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:31,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:32,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:21:32,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:32,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:21:32,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:21:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 131 transitions. [2024-11-13 22:21:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2024-11-13 22:21:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:21:47,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:47,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:21:47,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:21:47,486 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:21:47,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:21:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:48,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:21:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:48,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:21:48,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:56,098 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:21:56,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 22:24:21,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 67 states and 169 transitions. [2024-11-13 22:24:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 169 transitions. [2024-11-13 22:24:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:24:21,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:21,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:24:21,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:24:21,758 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:24:21,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:24:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:23,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:24:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:24,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:24:24,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:27,402 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:24:27,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d821f9bf-d65a-478d-82ef-9a283fd4304f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0