./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9 --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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:19:56,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:19:56,470 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:19:56,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:19:56,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:19:56,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:19:56,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:19:56,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:19:56,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:19:56,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:19:56,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:19:56,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:19:56,500 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:19:56,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:19:56,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:19:56,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:19:56,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:19:56,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:19:56,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:19:56,504 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:19:56,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:19:56,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:19:56,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:19:56,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:19:56,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:19:56,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:19:56,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:19:56,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:19:56,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:19:56,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:19:56,509 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:19:56,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:19:56,510 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:19:56,510 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_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2023-12-02 21:19:56,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:19:56,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:19:56,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:19:56,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:19:56,728 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:19:56,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2023-12-02 21:19:59,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:19:59,731 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:19:59,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2023-12-02 21:19:59,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/data/5169b4ff0/20d91b3d2b014de884dcad399171e192/FLAGc503a7ba0 [2023-12-02 21:19:59,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/data/5169b4ff0/20d91b3d2b014de884dcad399171e192 [2023-12-02 21:19:59,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:19:59,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:19:59,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:59,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:19:59,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:19:59,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:19:59,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf43755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59, skipping insertion in model container [2023-12-02 21:19:59,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:19:59,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:20:00,164 WARN L240 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_7c27cd54-d383-4383-95b1-cb48ad05df32/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i[33519,33532] [2023-12-02 21:20:00,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:20:00,247 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:20:00,281 WARN L240 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_7c27cd54-d383-4383-95b1-cb48ad05df32/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i[33519,33532] [2023-12-02 21:20:00,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:20:00,360 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:20:00,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00 WrapperNode [2023-12-02 21:20:00,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:20:00,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:20:00,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:20:00,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:20:00,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,436 INFO L138 Inliner]: procedures = 177, calls = 176, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 751 [2023-12-02 21:20:00,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:20:00,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:20:00,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:20:00,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:20:00,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:20:00,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:20:00,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:20:00,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:20:00,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:00" (1/1) ... [2023-12-02 21:20:00,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:20:00,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:20:00,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:20:00,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c27cd54-d383-4383-95b1-cb48ad05df32/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:20:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:20:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:20:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 21:20:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 21:20:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:20:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:20:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:20:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:20:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:20:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:20:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:20:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:20:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:20:00,792 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:20:00,794 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:20:01,620 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:20:02,359 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:20:02,359 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-02 21:20:02,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:20:02 BoogieIcfgContainer [2023-12-02 21:20:02,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:20:02,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:20:02,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:20:02,371 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:20:02,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:20:02" (1/1) ... [2023-12-02 21:20:02,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:20:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 102 transitions. [2023-12-02 21:20:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2023-12-02 21:20:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:20:02,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:02,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:02,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 103 transitions. [2023-12-02 21:20:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2023-12-02 21:20:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:20:02,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:02,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:02,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2023-12-02 21:20:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2023-12-02 21:20:02,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:20:02,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:02,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2023-12-02 21:20:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2023-12-02 21:20:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:20:02,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:02,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2023-12-02 21:20:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2023-12-02 21:20:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:20:02,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:02,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:12,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2023-12-02 21:20:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2023-12-02 21:20:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:20:13,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:13,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:23,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:33,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:43,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:53,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:53,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2023-12-02 21:20:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-12-02 21:20:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:20:53,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:53,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2023-12-02 21:20:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2023-12-02 21:20:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:20:53,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:53,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:53,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 75 states and 95 transitions. [2023-12-02 21:20:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2023-12-02 21:20:53,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:20:53,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:53,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:54,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 93 transitions. [2023-12-02 21:20:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 93 transitions. [2023-12-02 21:20:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:20:54,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:54,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:20:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:21:05,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:15,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:25,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:35,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2023-12-02 21:21:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2023-12-02 21:21:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:21:35,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:35,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:21:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:21:45,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:55,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:05,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:15,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 112 states and 138 transitions. [2023-12-02 21:22:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2023-12-02 21:22:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 21:22:16,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:22:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2023-12-02 21:22:16,407 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2023-12-02 21:22:16,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 21:22:16,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:16,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:22:26,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:36,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:46,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:56,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 115 states and 138 transitions. [2023-12-02 21:22:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 138 transitions. [2023-12-02 21:22:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:22:56,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:22:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:57,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 115 states and 137 transitions. [2023-12-02 21:22:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 137 transitions. [2023-12-02 21:22:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:22:57,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:57,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:22:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 124 states and 148 transitions. [2023-12-02 21:22:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 148 transitions. [2023-12-02 21:22:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:22:57,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:57,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 21:22:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 125 states and 150 transitions. [2023-12-02 21:22:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 150 transitions. [2023-12-02 21:22:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:22:59,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:59,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:59,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:22:59,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:59,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:22:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:59,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 125 states and 148 transitions. [2023-12-02 21:22:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 148 transitions. [2023-12-02 21:22:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:22:59,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:00,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:23:00,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:23:03,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 21:23:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 142 states and 168 transitions. [2023-12-02 21:23:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 168 transitions. [2023-12-02 21:23:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:23:03,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:03,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 21:23:14,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:24,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:34,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:44,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:55,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:05,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:15,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:25,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 201 states and 247 transitions. [2023-12-02 21:24:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 247 transitions. [2023-12-02 21:24:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:24:26,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:24:36,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:47,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:24:57,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:07,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:07,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 228 states and 279 transitions. [2023-12-02 21:25:07,592 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 279 transitions. [2023-12-02 21:25:07,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:25:07,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:07,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:25:18,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:28,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:38,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:48,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:25:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 231 states and 281 transitions. [2023-12-02 21:25:48,238 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 281 transitions. [2023-12-02 21:25:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:25:48,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:48,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:25:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:25:58,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:26:08,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:26:18,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:26:28,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:26:28,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 214 states and 260 transitions. [2023-12-02 21:26:28,835 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 260 transitions. [2023-12-02 21:26:28,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 21:26:28,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:26:39,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:26:49,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:26:59,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:27:09,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:27:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 217 states and 262 transitions. [2023-12-02 21:27:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 262 transitions. [2023-12-02 21:27:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:27:09,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:09,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 21:27:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 226 states and 274 transitions. [2023-12-02 21:27:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 274 transitions. [2023-12-02 21:27:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:27:10,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:10,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:27:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 236 states and 288 transitions. [2023-12-02 21:27:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 288 transitions. [2023-12-02 21:27:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 21:27:11,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:11,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:12,056 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:27:12,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 245 states and 299 transitions. [2023-12-02 21:27:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 299 transitions. [2023-12-02 21:27:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:27:12,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:12,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:13,056 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 21:27:14,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 21:27:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:14,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 246 states and 301 transitions. [2023-12-02 21:27:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 301 transitions. [2023-12-02 21:27:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:27:14,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:14,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 21:27:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 247 states and 303 transitions. [2023-12-02 21:27:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 303 transitions. [2023-12-02 21:27:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 21:27:15,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:15,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:27:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 248 states and 305 transitions. [2023-12-02 21:27:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 305 transitions. [2023-12-02 21:27:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 21:27:16,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:16,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:17,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:27:17,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:27:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 266 states and 328 transitions. [2023-12-02 21:27:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 328 transitions. [2023-12-02 21:27:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 21:27:20,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:21,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:27:21,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:27:31,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:27:41,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:27:51,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:01,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:01,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 284 states and 349 transitions. [2023-12-02 21:28:01,819 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 349 transitions. [2023-12-02 21:28:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 21:28:01,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:01,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:02,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:28:02,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:28:02,451 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 21:28:12,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:22,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:32,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:42,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:28:42,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 287 states and 351 transitions. [2023-12-02 21:28:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 351 transitions. [2023-12-02 21:28:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 21:28:42,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:42,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:28:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:43,292 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:28:53,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:03,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:13,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:23,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 314 states and 383 transitions. [2023-12-02 21:29:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 383 transitions. [2023-12-02 21:29:24,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 21:29:24,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:29:24,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:29:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:29:24,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:29:24,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:29:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 21:29:34,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:44,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:29:54,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:05,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 334 states and 406 transitions. [2023-12-02 21:30:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 406 transitions. [2023-12-02 21:30:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 21:30:05,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:05,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:30:05,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 21:30:05,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 338 states and 410 transitions. [2023-12-02 21:30:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 410 transitions. [2023-12-02 21:30:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 21:30:05,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:05,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:30:16,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:26,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:36,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:46,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:30:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:30:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 341 states and 412 transitions. [2023-12-02 21:30:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 412 transitions. [2023-12-02 21:30:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 21:30:46,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:30:46,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:30:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:30:47,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:30:47,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:30:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-02 21:30:57,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:07,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:17,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:27,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 344 states and 414 transitions. [2023-12-02 21:31:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 414 transitions. [2023-12-02 21:31:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-02 21:31:27,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:27,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:31:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 353 states and 425 transitions. [2023-12-02 21:31:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 425 transitions. [2023-12-02 21:31:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 21:31:28,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:28,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:31:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 354 states and 427 transitions. [2023-12-02 21:31:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 427 transitions. [2023-12-02 21:31:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:31:29,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:29,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:30,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:31:30,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:31:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 372 states and 450 transitions. [2023-12-02 21:31:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 450 transitions. [2023-12-02 21:31:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:31:32,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:32,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:33,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:31:33,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:31:43,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:31:53,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:03,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:13,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 390 states and 471 transitions. [2023-12-02 21:32:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 471 transitions. [2023-12-02 21:32:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-02 21:32:13,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:14,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:32:14,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 21:32:24,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:34,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:44,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:54,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:32:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:54,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 393 states and 473 transitions. [2023-12-02 21:32:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 473 transitions. [2023-12-02 21:32:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 21:32:54,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:54,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:55,873 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:33:05,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:16,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:26,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:36,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:36,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 420 states and 505 transitions. [2023-12-02 21:33:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 505 transitions. [2023-12-02 21:33:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 21:33:36,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:37,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:33:37,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 21:33:47,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:33:57,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:34:07,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:34:17,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:34:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 440 states and 528 transitions. [2023-12-02 21:34:17,850 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 528 transitions. [2023-12-02 21:34:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-02 21:34:17,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:17,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:18,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:18,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:18,675 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 21:34:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 444 states and 532 transitions. [2023-12-02 21:34:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 532 transitions. [2023-12-02 21:34:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 21:34:18,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:18,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 163 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:34:29,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:34:39,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:34:49,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []