./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label13.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_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/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_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/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_a2cedf9f-39b1-4f51-80e6-149fc3435623/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 b0e755b2dd5e51a3c2c6bd6c8ef06f55d3c3a2554217c62da40af9cd808ace64 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:42:58,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:42:58,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:42:58,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:42:58,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:42:58,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:42:58,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:42:58,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:42:58,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:42:58,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:42:58,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:42:58,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:42:58,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:42:58,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:42:58,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:42:58,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:42:58,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:42:58,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:42:58,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:42:58,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:42:58,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:42:58,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:42:58,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:42:58,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:42:58,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:42:58,487 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:42:58,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:42:58,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:42:58,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:42:58,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:42:58,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:42:58,488 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:42:58,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:42:58,489 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_a2cedf9f-39b1-4f51-80e6-149fc3435623/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 -> b0e755b2dd5e51a3c2c6bd6c8ef06f55d3c3a2554217c62da40af9cd808ace64 [2024-11-13 16:42:58,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:42:58,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:42:58,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:42:58,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:42:58,791 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:42:58,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem11_label13.c Unable to find full path for "g++" [2024-11-13 16:43:00,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:43:01,154 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:43:01,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/sv-benchmarks/c/eca-rers2012/Problem11_label13.c [2024-11-13 16:43:01,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/data/6d13d6740/fc74795872364ec695db7ae4cf9a2eed/FLAG81c4abeed [2024-11-13 16:43:01,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/data/6d13d6740/fc74795872364ec695db7ae4cf9a2eed [2024-11-13 16:43:01,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:43:01,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:43:01,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:01,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:43:01,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:43:01,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:01" (1/1) ... [2024-11-13 16:43:01,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7b2350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:01, skipping insertion in model container [2024-11-13 16:43:01,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:43:01" (1/1) ... [2024-11-13 16:43:01,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:43:01,620 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_a2cedf9f-39b1-4f51-80e6-149fc3435623/sv-benchmarks/c/eca-rers2012/Problem11_label13.c[4853,4866] [2024-11-13 16:43:01,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:01,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:43:01,916 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_a2cedf9f-39b1-4f51-80e6-149fc3435623/sv-benchmarks/c/eca-rers2012/Problem11_label13.c[4853,4866] [2024-11-13 16:43:02,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:43:02,095 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:43:02,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02 WrapperNode [2024-11-13 16:43:02,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:43:02,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:02,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:43:02,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:43:02,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,271 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-13 16:43:02,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:43:02,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:43:02,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:43:02,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:43:02,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:43:02,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:43:02,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:43:02,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:43:02,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:43:02" (1/1) ... [2024-11-13 16:43:02,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:02,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:43:02,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:43:02,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2cedf9f-39b1-4f51-80e6-149fc3435623/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:43:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:43:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:43:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:43:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:43:02,657 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:43:02,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:43:04,712 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-13 16:43:04,712 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:43:12,053 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:43:12,053 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:43:12,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:12 BoogieIcfgContainer [2024-11-13 16:43:12,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:43:12,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:43:12,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:43:12,069 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:43:12,070 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:43:12" (1/1) ... [2024-11-13 16:43:12,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:43:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 16:43:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 16:43:12,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:43:12,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:12,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:12,462 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 16:43:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 16:43:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 16:43:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:43:12,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:12,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 16:43:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 16:43:56,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:43:56,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:56,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:43:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:45:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:45:30,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:45:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-13 16:45:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-13 16:45:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:45:31,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:31,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:45:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2024-11-13 16:46:59,075 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2024-11-13 16:46:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:46:59,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:59,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:05,017 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:50:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2024-11-13 16:50:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2024-11-13 16:50:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:50:08,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:08,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:50:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:54:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2024-11-13 16:54:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2024-11-13 16:54:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:54:49,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:49,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:54:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:57:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 62 states and 152 transitions. [2024-11-13 16:57:34,460 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 152 transitions. [2024-11-13 16:57:34,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:57:34,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:34,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat