./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk --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 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:41:06,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:41:06,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:41:06,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:41:06,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:41:06,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:41:06,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:41:06,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:41:06,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:41:06,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:41:06,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:41:06,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:41:06,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:41:06,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:41:06,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:41:06,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:41:06,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:41:06,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:41:06,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:41:06,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:41:06,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:41:06,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:41:06,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:41:06,391 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:41:06,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:41:06,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:41:06,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:41:06,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:06,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:41:06,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:41:06,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:41:06,395 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:41:06,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:41:06,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 [2024-11-08 22:41:06,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:41:06,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:41:06,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:41:06,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:41:06,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:41:06,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c Unable to find full path for "g++" [2024-11-08 22:41:08,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:41:09,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:41:09,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/sv-benchmarks/c/eca-rers2012/Problem11_label38.c [2024-11-08 22:41:09,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/data/d5c690c39/1bd0fe34c70f42f4b64b0425ec74eb16/FLAGcff50e6d9 [2024-11-08 22:41:09,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/data/d5c690c39/1bd0fe34c70f42f4b64b0425ec74eb16 [2024-11-08 22:41:09,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:41:09,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:41:09,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:09,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:41:09,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:41:09,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:09" (1/1) ... [2024-11-08 22:41:09,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422d3cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:09, skipping insertion in model container [2024-11-08 22:41:09,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:09" (1/1) ... [2024-11-08 22:41:09,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:41:09,565 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_12f7deba-5d79-496e-bb64-33bba543a622/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2024-11-08 22:41:09,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:09,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:41:09,921 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_12f7deba-5d79-496e-bb64-33bba543a622/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2024-11-08 22:41:10,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:10,090 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:41:10,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10 WrapperNode [2024-11-08 22:41:10,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:10,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:10,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:41:10,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:41:10,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,241 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-08 22:41:10,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:10,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:41:10,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:41:10,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:41:10,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:41:10,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:41:10,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:41:10,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:41:10,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:10" (1/1) ... [2024-11-08 22:41:10,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:10,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:41:10,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:41:10,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f7deba-5d79-496e-bb64-33bba543a622/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:41:10,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:41:10,586 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:41:10,589 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:41:12,536 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-08 22:41:12,537 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:41:19,556 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:41:19,556 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:41:19,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:41:19 BoogieIcfgContainer [2024-11-08 22:41:19,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:41:19,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:41:19,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:41:19,569 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:41:19,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:41:19" (1/1) ... [2024-11-08 22:41:19,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:41:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:41:19,650 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:41:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:41:19,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:19,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:41:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:41:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:41:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:41:20,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:20,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:41:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 22:42:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 22:42:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:42:04,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:04,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:42:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:54,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:44:05,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:44:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-11-08 22:44:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-11-08 22:44:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:44:05,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:05,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:45:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-11-08 22:45:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-11-08 22:45:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:45:53,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:53,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 22:47:09,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:47:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2024-11-08 22:47:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2024-11-08 22:47:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:47:09,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:09,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:52:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:52:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 45 states and 90 transitions. [2024-11-08 22:52:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 90 transitions. [2024-11-08 22:52:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:52:44,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:52:44,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:53:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2024-11-08 22:53:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2024-11-08 22:53:54,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:53:54,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:54,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:55:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 33 states and 68 transitions. [2024-11-08 22:55:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 68 transitions. [2024-11-08 22:55:36,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:55:36,869 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 22:55:36,878 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold