./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:41:08,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:41:08,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:41:08,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:41:08,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:41:08,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:41:08,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:41:08,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:41:08,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:41:08,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:41:08,201 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:41:08,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:41:08,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:41:08,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:41:08,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:41:08,205 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:41:08,206 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:41:08,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:41:08,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:41:08,208 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:41:08,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:41:08,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:41:08,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:41:08,218 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:41:08,218 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:41:08,219 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:41:08,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:41:08,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:08,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:41:08,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:41:08,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:41:08,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:41:08,223 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_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 [2023-11-19 02:41:08,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:41:08,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:41:08,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:41:08,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:41:08,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:41:08,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2023-11-19 02:41:11,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:41:12,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:41:12,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2023-11-19 02:41:12,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/data/bf9516609/baf76779031f4469900777d34cb00bd9/FLAGac865fcd0 [2023-11-19 02:41:12,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/data/bf9516609/baf76779031f4469900777d34cb00bd9 [2023-11-19 02:41:12,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:41:12,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:41:12,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:12,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:41:12,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:41:12,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:12" (1/1) ... [2023-11-19 02:41:12,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fcc411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:12, skipping insertion in model container [2023-11-19 02:41:12,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:12" (1/1) ... [2023-11-19 02:41:12,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:41:13,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:13,037 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:41:13,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:13,190 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:41:13,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13 WrapperNode [2023-11-19 02:41:13,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:13,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:13,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:41:13,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:41:13,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,306 INFO L138 Inliner]: procedures = 177, calls = 238, calls flagged for inlining = 17, calls inlined = 26, statements flattened = 1030 [2023-11-19 02:41:13,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:13,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:41:13,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:41:13,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:41:13,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:41:13,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:41:13,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:41:13,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:41:13,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:13" (1/1) ... [2023-11-19 02:41:13,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:13,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:41:13,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:41:13,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5f9e00a-d7a6-4664-a3ed-25ba98dad34e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:41:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:41:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:41:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:41:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:41:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:41:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:41:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:41:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:41:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:41:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:41:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:41:13,810 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:41:13,813 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:41:15,317 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:41:16,445 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:41:16,446 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 02:41:16,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:16 BoogieIcfgContainer [2023-11-19 02:41:16,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:41:16,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:41:16,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:41:16,470 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:41:16,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:16" (1/1) ... [2023-11-19 02:41:16,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:41:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 140 states and 220 transitions. [2023-11-19 02:41:16,561 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 220 transitions. [2023-11-19 02:41:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:41:16,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:16,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 141 states and 222 transitions. [2023-11-19 02:41:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 222 transitions. [2023-11-19 02:41:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:41:16,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:17,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:17,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 141 states and 220 transitions. [2023-11-19 02:41:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2023-11-19 02:41:17,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:41:17,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:17,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:17,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:17,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:17,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 141 states and 216 transitions. [2023-11-19 02:41:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 216 transitions. [2023-11-19 02:41:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:41:17,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:17,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:17,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:17,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 141 states and 210 transitions. [2023-11-19 02:41:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 210 transitions. [2023-11-19 02:41:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:41:17,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:17,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:17,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:17,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:27,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 141 states and 204 transitions. [2023-11-19 02:41:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 204 transitions. [2023-11-19 02:41:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:41:27,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:27,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:27,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:29,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:29,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:29,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 168 states and 236 transitions. [2023-11-19 02:41:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2023-11-19 02:41:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:41:29,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:29,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:29,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:29,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:29,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 168 states and 234 transitions. [2023-11-19 02:41:29,619 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 234 transitions. [2023-11-19 02:41:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:41:29,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:29,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:29,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 168 states and 232 transitions. [2023-11-19 02:41:29,894 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 232 transitions. [2023-11-19 02:41:29,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:41:29,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:29,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:30,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:30,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:40,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2023-11-19 02:41:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2023-11-19 02:41:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:41:40,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:40,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:40,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:40,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 166 states and 224 transitions. [2023-11-19 02:41:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 224 transitions. [2023-11-19 02:41:40,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:41:40,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:40,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:40,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 173 states and 232 transitions. [2023-11-19 02:41:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 232 transitions. [2023-11-19 02:41:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:41:41,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:41,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:41,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:41,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 173 states and 231 transitions. [2023-11-19 02:41:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 231 transitions. [2023-11-19 02:41:41,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:41:41,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:41,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:41,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:41,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 181 states and 241 transitions. [2023-11-19 02:41:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 241 transitions. [2023-11-19 02:41:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:41:42,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:42,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:42,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:41:43,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 182 states and 243 transitions. [2023-11-19 02:41:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 243 transitions. [2023-11-19 02:41:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:41:43,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:43,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:43,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:43,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:43,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 182 states and 241 transitions. [2023-11-19 02:41:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2023-11-19 02:41:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:41:43,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:43,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:44,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:41:44,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:41:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 185 states and 243 transitions. [2023-11-19 02:41:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 243 transitions. [2023-11-19 02:41:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:41:44,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:44,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:45,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:45,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:45,238 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:55,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:57,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 212 states and 275 transitions. [2023-11-19 02:41:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 275 transitions. [2023-11-19 02:41:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:41:57,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:57,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:57,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:57,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:58,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 219 states and 283 transitions. [2023-11-19 02:41:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 283 transitions. [2023-11-19 02:41:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:41:58,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:58,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:58,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:58,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 227 states and 293 transitions. [2023-11-19 02:41:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 293 transitions. [2023-11-19 02:41:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:41:59,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:59,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:59,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:41:59,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:59,817 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:42:01,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 02:42:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 228 states and 295 transitions. [2023-11-19 02:42:01,820 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 295 transitions. [2023-11-19 02:42:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:42:01,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:02,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:42:02,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:42:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 231 states and 297 transitions. [2023-11-19 02:42:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 297 transitions. [2023-11-19 02:42:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 02:42:03,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:03,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:03,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:42:03,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.