./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/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_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/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 64bit --witnessprinter.graph.data.programhash be53c51dc83e5173157f1fa4471313025cf2f600c0bad4f77c441750f4d9f9e8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:24:42,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:24:42,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:24:42,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:24:42,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:24:43,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:24:43,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:24:43,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:24:43,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:24:43,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:24:43,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:24:43,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:24:43,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:24:43,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:24:43,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:24:43,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:24:43,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:24:43,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:24:43,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:24:43,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:24:43,019 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:24:43,019 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:24:43,019 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:24:43,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:24:43,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:24:43,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:24:43,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:24:43,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:24:43,020 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:24:43,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:24:43,020 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_cafc2576-167c-49e6-8f35-20d8177a27c8/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be53c51dc83e5173157f1fa4471313025cf2f600c0bad4f77c441750f4d9f9e8 [2024-11-13 20:24:43,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:24:43,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:24:43,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:24:43,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:24:43,461 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:24:43,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c Unable to find full path for "g++" [2024-11-13 20:24:45,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:24:45,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:24:45,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2024-11-13 20:24:45,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/data/9201f1471/d47f1bdca40e4a5f8dabe233232073fb/FLAG0ec748364 [2024-11-13 20:24:45,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/data/9201f1471/d47f1bdca40e4a5f8dabe233232073fb [2024-11-13 20:24:46,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:24:46,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:24:46,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:24:46,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:24:46,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:24:46,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:24:45" (1/1) ... [2024-11-13 20:24:46,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7967d450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46, skipping insertion in model container [2024-11-13 20:24:46,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:24:45" (1/1) ... [2024-11-13 20:24:46,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:24:46,296 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_cafc2576-167c-49e6-8f35-20d8177a27c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1247,1260] [2024-11-13 20:24:46,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:24:46,478 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:24:46,492 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_cafc2576-167c-49e6-8f35-20d8177a27c8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1247,1260] [2024-11-13 20:24:46,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:24:46,649 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:24:46,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46 WrapperNode [2024-11-13 20:24:46,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:24:46,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:24:46,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:24:46,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:24:46,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,850 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 783 [2024-11-13 20:24:46,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:24:46,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:24:46,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:24:46,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:24:46,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:46,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:47,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:24:47,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:24:47,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:24:47,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:24:47,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:24:46" (1/1) ... [2024-11-13 20:24:47,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:24:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:24:47,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:24:47,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cafc2576-167c-49e6-8f35-20d8177a27c8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:24:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:24:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:24:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:24:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:24:47,331 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:24:47,334 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:24:49,054 INFO L? ?]: Removed 472 outVars from TransFormulas that were not future-live. [2024-11-13 20:24:49,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:24:50,273 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:24:50,274 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:24:50,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:24:50 BoogieIcfgContainer [2024-11-13 20:24:50,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:24:50,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:24:50,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:24:50,287 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:24:50,287 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:24:50" (1/1) ... [2024-11-13 20:24:50,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:24:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:50,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:24:50,371 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:24:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:24:50,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:50,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:24:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:24:58,695 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:24:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:24:58,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:58,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:25:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:14,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-13 20:25:14,893 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-13 20:25:14,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:25:14,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:14,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:25:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2024-11-13 20:25:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2024-11-13 20:25:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:25:39,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:39,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:26:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 28 states and 67 transitions. [2024-11-13 20:26:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 67 transitions. [2024-11-13 20:26:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:26:38,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:38,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:28:30,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:28:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 35 states and 103 transitions. [2024-11-13 20:28:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 103 transitions. [2024-11-13 20:28:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:28:31,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:31,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:30:34,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:30:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:34,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 43 states and 141 transitions. [2024-11-13 20:30:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 141 transitions. [2024-11-13 20:30:34,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:30:34,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:34,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:26,239 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:32:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 52 states and 192 transitions. [2024-11-13 20:32:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 192 transitions. [2024-11-13 20:32:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:32:58,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:58,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:35:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 60 states and 239 transitions. [2024-11-13 20:35:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 239 transitions. [2024-11-13 20:35:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:35:48,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:48,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:32,399 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.