./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/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_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/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_18c122b7-1a71-48d9-9932-0a214f4ace1b/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 a2e0d3ed79ba62190a0b501c090bc81fd178363cb7e6ce8cbe0996ce655e2ac6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:32:25,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:32:25,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:32:25,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:32:25,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:32:25,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:32:25,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:32:25,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:32:25,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:32:25,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:32:25,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:32:25,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:32:25,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:32:25,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:32:25,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:32:25,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:32:25,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:32:25,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:32:25,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:32:25,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:32:25,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:32:25,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:32:25,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:32:25,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:32:25,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:32:25,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:32:25,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:32:25,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:25,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:32:25,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:32:25,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:32:25,903 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:32:25,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:32:25,904 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_18c122b7-1a71-48d9-9932-0a214f4ace1b/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 -> a2e0d3ed79ba62190a0b501c090bc81fd178363cb7e6ce8cbe0996ce655e2ac6 [2024-11-13 21:32:26,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:32:26,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:32:26,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:32:26,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:32:26,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:32:26,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c Unable to find full path for "g++" [2024-11-13 21:32:28,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:32:28,720 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:32:28,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c [2024-11-13 21:32:28,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/data/dab740aa4/2e90a8748cda4978bc3e305fd1ba350f/FLAGfe9103e4b [2024-11-13 21:32:28,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/data/dab740aa4/2e90a8748cda4978bc3e305fd1ba350f [2024-11-13 21:32:28,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:32:28,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:32:28,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:28,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:32:28,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:32:28,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:28" (1/1) ... [2024-11-13 21:32:28,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288ff0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:28, skipping insertion in model container [2024-11-13 21:32:28,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:28" (1/1) ... [2024-11-13 21:32:29,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:32:29,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c[525,538] [2024-11-13 21:32:29,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:29,215 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:32:29,225 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_18c122b7-1a71-48d9-9932-0a214f4ace1b/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c[525,538] [2024-11-13 21:32:29,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:29,258 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:32:29,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29 WrapperNode [2024-11-13 21:32:29,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:29,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:29,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:32:29,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:32:29,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,303 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-13 21:32:29,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:29,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:32:29,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:32:29,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:32:29,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:32:29,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:32:29,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:32:29,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:32:29,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:29,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:32:29,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:32:29,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c122b7-1a71-48d9-9932-0a214f4ace1b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:32:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:32:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:32:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:32:29,507 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:32:29,509 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:32:29,760 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:32:29,761 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:32:29,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:32:29,817 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:32:29,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:29 BoogieIcfgContainer [2024-11-13 21:32:29,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:32:29,818 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:32:29,818 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:32:29,832 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:32:29,833 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:29" (1/1) ... [2024-11-13 21:32:29,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:32:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:29,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 21:32:29,928 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 21:32:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:32:29,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:29,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:32:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 21:32:30,167 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:32:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:32:30,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:30,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:32:41,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:32:41,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:41,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-13 21:32:41,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-13 21:32:41,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:32:41,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:41,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:32:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2024-11-13 21:32:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2024-11-13 21:32:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:32:42,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:42,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:42,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:32:42,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:32:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-13 21:32:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-13 21:32:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:32:43,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:43,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:32:46,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2024-11-13 21:32:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2024-11-13 21:32:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:32:46,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:46,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:32:46,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:32:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2024-11-13 21:32:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2024-11-13 21:32:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:32:47,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:47,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:47,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:32:47,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:32:48,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2024-11-13 21:32:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2024-11-13 21:32:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:32:48,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:48,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:32:51,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 45 states and 79 transitions. [2024-11-13 21:32:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-11-13 21:32:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:32:51,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:51,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:51,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:32:51,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:32:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 48 states and 84 transitions. [2024-11-13 21:32:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2024-11-13 21:32:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:32:53,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:53,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:53,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:32:53,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:32:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 50 states and 89 transitions. [2024-11-13 21:32:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-11-13 21:32:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:32:54,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:54,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:32:54,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:33:06,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:33:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 52 states and 93 transitions. [2024-11-13 21:33:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2024-11-13 21:33:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:33:06,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:06,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:33:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:06,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:33:06,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 21:33:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:06,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 53 states and 96 transitions. [2024-11-13 21:33:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2024-11-13 21:33:06,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:33:06,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:06,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:33:24,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:33:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 55 states and 100 transitions. [2024-11-13 21:33:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2024-11-13 21:33:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:33:24,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:24,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:33:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:25,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:33:25,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 21:33:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 58 states and 110 transitions. [2024-11-13 21:33:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2024-11-13 21:33:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:33:28,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:28,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:33:31,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 61 states and 116 transitions. [2024-11-13 21:33:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 116 transitions. [2024-11-13 21:33:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:33:31,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:31,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat