./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-simple/nested_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:09,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:09,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:13:09,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:09,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:09,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:09,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:09,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:09,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:09,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:09,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:09,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:09,562 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:13:09,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:09,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:13:09,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:09,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:09,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:09,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:09,566 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:09,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:09,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:13:09,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:09,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:09,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:09,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:09,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:09,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:09,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:09,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:09,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:09,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:09,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:09,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:09,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:09,573 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_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 [2023-11-23 20:13:09,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:09,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:09,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:09,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:09,898 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:09,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loop-simple/nested_5.c [2023-11-23 20:13:13,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:13,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:13,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/sv-benchmarks/c/loop-simple/nested_5.c [2023-11-23 20:13:13,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/data/d053c5db6/69a7a2625f8a498ebf02f898b419eeaf/FLAG5159e94d9 [2023-11-23 20:13:13,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/data/d053c5db6/69a7a2625f8a498ebf02f898b419eeaf [2023-11-23 20:13:13,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:13,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:13,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:13,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:13,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:13,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a78cdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13, skipping insertion in model container [2023-11-23 20:13:13,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,336 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:13,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:13,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:13,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:13,586 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:13,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13 WrapperNode [2023-11-23 20:13:13,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:13,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:13,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:13,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:13,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,633 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2023-11-23 20:13:13,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:13,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:13,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:13,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:13,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:13,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:13,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:13,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:13,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:13" (1/1) ... [2023-11-23 20:13:13,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:13,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:13,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:13,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e9b51d-c6b7-4cb8-baeb-4f8286fe3313/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:13,842 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:13,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:14,107 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:14,163 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:14,164 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 20:13:14,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:14 BoogieIcfgContainer [2023-11-23 20:13:14,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:14,168 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:14,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:14,180 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:14,181 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-23 20:13:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-23 20:13:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:13:14,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-23 20:13:14,605 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-23 20:13:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:13:14,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:14,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:14,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-23 20:13:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-23 20:13:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:13:14,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:14,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2023-11-23 20:13:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2023-11-23 20:13:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:13:14,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:14,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:14,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-23 20:13:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-23 20:13:14,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:13:14,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:14,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-23 20:13:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-23 20:13:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:13:14,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:14,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:15,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-11-23 20:13:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-23 20:13:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:13:15,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:15,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:13:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2023-11-23 20:13:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2023-11-23 20:13:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:13:15,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:15,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2023-11-23 20:13:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-23 20:13:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:13:15,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:15,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:13:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:15,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2023-11-23 20:13:15,619 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-23 20:13:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:13:15,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:15,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:13:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:15,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2023-11-23 20:13:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-23 20:13:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:13:15,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:15,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2023-11-23 20:13:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-23 20:13:16,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:13:16,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:13:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2023-11-23 20:13:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-11-23 20:13:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:13:16,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2023-11-23 20:13:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2023-11-23 20:13:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:13:16,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:13:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2023-11-23 20:13:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-23 20:13:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:13:16,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:17,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2023-11-23 20:13:17,105 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2023-11-23 20:13:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:13:17,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:17,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-11-23 20:13:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-23 20:13:17,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:13:17,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2023-11-23 20:13:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-23 20:13:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:17,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 20:13:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-23 20:13:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-23 20:13:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:18,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2023-11-23 20:13:18,841 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2023-11-23 20:13:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:13:18,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:13:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2023-11-23 20:13:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-23 20:13:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:13:19,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:19,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 20:13:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:20,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2023-11-23 20:13:20,131 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2023-11-23 20:13:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:13:20,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:20,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:20,159 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:13:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:22,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 91 states and 130 transitions. [2023-11-23 20:13:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2023-11-23 20:13:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:13:22,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:22,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:13:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 93 states and 131 transitions. [2023-11-23 20:13:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2023-11-23 20:13:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:13:23,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:13:23,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 94 states and 132 transitions. [2023-11-23 20:13:23,119 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2023-11-23 20:13:23,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:13:23,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:23,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 20:13:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 96 states and 133 transitions. [2023-11-23 20:13:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 133 transitions. [2023-11-23 20:13:23,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:13:23,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:23,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 20:13:23,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 98 states and 134 transitions. [2023-11-23 20:13:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2023-11-23 20:13:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:13:23,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:23,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:13:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 124 states and 178 transitions. [2023-11-23 20:13:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions. [2023-11-23 20:13:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:13:27,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:27,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:13:27,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:27,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 125 states and 179 transitions. [2023-11-23 20:13:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 179 transitions. [2023-11-23 20:13:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:27,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:27,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 20:13:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:28,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 126 states and 181 transitions. [2023-11-23 20:13:28,218 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 181 transitions. [2023-11-23 20:13:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:28,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:28,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:13:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 127 states and 183 transitions. [2023-11-23 20:13:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2023-11-23 20:13:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:13:28,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:28,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-23 20:13:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:30,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 136 states and 202 transitions. [2023-11-23 20:13:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 202 transitions. [2023-11-23 20:13:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:13:30,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:30,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-23 20:13:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 136 states and 201 transitions. [2023-11-23 20:13:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 201 transitions. [2023-11-23 20:13:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:13:30,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:30,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-11-23 20:13:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 121 states and 172 transitions. [2023-11-23 20:13:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 172 transitions. [2023-11-23 20:13:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:13:31,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:31,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:13:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 121 states and 171 transitions. [2023-11-23 20:13:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2023-11-23 20:13:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:13:31,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:31,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-23 20:13:32,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 123 states and 172 transitions. [2023-11-23 20:13:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2023-11-23 20:13:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:13:32,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:32,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-23 20:13:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 132 states and 184 transitions. [2023-11-23 20:13:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2023-11-23 20:13:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:13:34,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-23 20:13:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:34,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 134 states and 185 transitions. [2023-11-23 20:13:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 185 transitions. [2023-11-23 20:13:34,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:13:34,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 20:13:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 157 states and 223 transitions. [2023-11-23 20:13:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 223 transitions. [2023-11-23 20:13:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:13:39,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:39,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-23 20:13:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:45,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 180 states and 261 transitions. [2023-11-23 20:13:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 261 transitions. [2023-11-23 20:13:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:13:45,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:45,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-23 20:13:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 181 states and 261 transitions. [2023-11-23 20:13:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 261 transitions. [2023-11-23 20:13:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:13:45,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-23 20:13:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 183 states and 262 transitions. [2023-11-23 20:13:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 262 transitions. [2023-11-23 20:13:46,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:13:46,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:46,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-23 20:13:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 185 states and 263 transitions. [2023-11-23 20:13:46,769 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 263 transitions. [2023-11-23 20:13:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:13:46,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:46,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-11-23 20:13:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 208 states and 300 transitions. [2023-11-23 20:13:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 300 transitions. [2023-11-23 20:13:53,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:13:53,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 20:13:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 210 states and 301 transitions. [2023-11-23 20:13:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 301 transitions. [2023-11-23 20:13:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:13:54,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 20:13:54,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 212 states and 302 transitions. [2023-11-23 20:13:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 302 transitions. [2023-11-23 20:13:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:13:54,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 20:13:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 214 states and 303 transitions. [2023-11-23 20:13:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 303 transitions. [2023-11-23 20:13:55,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:13:55,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 20:13:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 216 states and 304 transitions. [2023-11-23 20:13:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2023-11-23 20:13:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:13:55,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 20:13:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 218 states and 305 transitions. [2023-11-23 20:13:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 305 transitions. [2023-11-23 20:13:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:13:56,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked.