./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2 --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 64bit --witnessprinter.graph.data.programhash 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:52,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:52,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:43:52,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:52,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:52,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:52,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:52,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:52,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:52,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:52,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:52,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:52,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:52,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:52,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:52,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:52,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:52,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:52,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:52,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:52,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:52,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:52,242 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:52,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:52,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:52,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:52,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:52,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:52,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:52,246 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:52,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:52,247 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:52,247 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_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 [2023-11-21 18:43:52,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:52,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:52,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:52,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:52,557 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:52,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2023-11-21 18:43:55,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:56,154 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:56,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2023-11-21 18:43:56,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/data/c13ef3d21/60d947f81e094f5fab6292044850f4c3/FLAG25d254fb1 [2023-11-21 18:43:56,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/data/c13ef3d21/60d947f81e094f5fab6292044850f4c3 [2023-11-21 18:43:56,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:56,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:56,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:56,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:56,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:56,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1efef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56, skipping insertion in model container [2023-11-21 18:43:56,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:56,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:56,387 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:56,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:56,415 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:56,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56 WrapperNode [2023-11-21 18:43:56,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:56,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:56,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:56,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:56,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,447 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2023-11-21 18:43:56,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:56,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:56,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:56,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:56,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:56,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:56,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:56,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:56,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:56,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:56,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc1ab2f1-b4d5-4d7e-a597-97b99dd6b248/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:56,633 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:56,636 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:56,739 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:56,770 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:56,771 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:43:56,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:56 BoogieIcfgContainer [2023-11-21 18:43:56,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:56,774 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:56,774 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:56,783 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:56,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:56" (1/1) ... [2023-11-21 18:43:56,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-21 18:43:56,867 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-21 18:43:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:43:56,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-21 18:43:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-21 18:43:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:43:57,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:57,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-21 18:43:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-21 18:43:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:43:57,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:57,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-21 18:43:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-21 18:43:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:43:57,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-21 18:43:57,594 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-21 18:43:57,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:43:57,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-21 18:43:58,046 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-21 18:43:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:43:58,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2023-11-21 18:43:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2023-11-21 18:43:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:43:58,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:58,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-21 18:43:58,866 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-21 18:43:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:43:58,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:58,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2023-11-21 18:43:59,185 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-21 18:43:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:43:59,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:59,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-11-21 18:43:59,641 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-21 18:43:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:43:59,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:59,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:43:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2023-11-21 18:43:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2023-11-21 18:43:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:43:59,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:59,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:00,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2023-11-21 18:44:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2023-11-21 18:44:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:44:00,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:00,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2023-11-21 18:44:00,483 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2023-11-21 18:44:00,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:44:00,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:00,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:01,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2023-11-21 18:44:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2023-11-21 18:44:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:44:01,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:01,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2023-11-21 18:44:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2023-11-21 18:44:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:44:01,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:44:01,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2023-11-21 18:44:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2023-11-21 18:44:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:44:02,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions. [2023-11-21 18:44:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2023-11-21 18:44:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:44:02,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2023-11-21 18:44:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-21 18:44:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:44:02,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:44:02,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2023-11-21 18:44:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2023-11-21 18:44:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:44:02,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2023-11-21 18:44:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2023-11-21 18:44:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:44:03,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 101 transitions. [2023-11-21 18:44:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-11-21 18:44:04,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:44:04,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2023-11-21 18:44:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-21 18:44:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:44:04,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:44:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2023-11-21 18:44:04,666 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2023-11-21 18:44:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:44:04,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:44:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2023-11-21 18:44:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2023-11-21 18:44:04,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:44:04,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:44:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2023-11-21 18:44:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2023-11-21 18:44:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:44:05,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2023-11-21 18:44:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-21 18:44:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:44:06,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 112 transitions. [2023-11-21 18:44:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2023-11-21 18:44:06,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:44:06,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-21 18:44:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 111 transitions. [2023-11-21 18:44:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2023-11-21 18:44:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:44:06,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:44:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 75 states and 110 transitions. [2023-11-21 18:44:07,251 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-21 18:44:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:44:07,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:07,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:07,402 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 121 transitions. [2023-11-21 18:44:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2023-11-21 18:44:08,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:44:08,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 85 states and 125 transitions. [2023-11-21 18:44:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2023-11-21 18:44:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:44:08,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:08,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:44:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 124 transitions. [2023-11-21 18:44:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2023-11-21 18:44:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:44:09,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:09,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:44:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 85 states and 123 transitions. [2023-11-21 18:44:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2023-11-21 18:44:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:44:09,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:09,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:09,749 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 91 states and 134 transitions. [2023-11-21 18:44:10,650 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2023-11-21 18:44:10,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:44:10,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:10,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 62 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:11,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 95 states and 138 transitions. [2023-11-21 18:44:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-21 18:44:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:44:11,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-21 18:44:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 95 states and 137 transitions. [2023-11-21 18:44:11,796 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-21 18:44:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:44:11,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,842 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-21 18:44:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 95 states and 136 transitions. [2023-11-21 18:44:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2023-11-21 18:44:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:44:12,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:13,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:13,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 101 states and 147 transitions. [2023-11-21 18:44:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2023-11-21 18:44:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:44:13,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:13,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 94 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 105 states and 151 transitions. [2023-11-21 18:44:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2023-11-21 18:44:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:44:13,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:13,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-21 18:44:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 105 states and 150 transitions. [2023-11-21 18:44:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions. [2023-11-21 18:44:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:44:14,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:14,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-11-21 18:44:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 105 states and 149 transitions. [2023-11-21 18:44:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2023-11-21 18:44:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:44:14,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:14,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 111 states and 160 transitions. [2023-11-21 18:44:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2023-11-21 18:44:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:44:16,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 132 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 115 states and 164 transitions. [2023-11-21 18:44:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2023-11-21 18:44:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:44:16,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:16,967 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:44:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 115 states and 163 transitions. [2023-11-21 18:44:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2023-11-21 18:44:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:44:17,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:17,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-21 18:44:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 115 states and 162 transitions. [2023-11-21 18:44:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2023-11-21 18:44:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:44:17,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:17,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 121 states and 173 transitions. [2023-11-21 18:44:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2023-11-21 18:44:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:44:19,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:19,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 2 proven. 176 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:20,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 125 states and 177 transitions. [2023-11-21 18:44:20,020 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 177 transitions. [2023-11-21 18:44:20,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:44:20,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:20,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-21 18:44:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:20,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 125 states and 176 transitions. [2023-11-21 18:44:20,701 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 176 transitions. [2023-11-21 18:44:20,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:44:20,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:20,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-21 18:44:21,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 125 states and 175 transitions. [2023-11-21 18:44:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2023-11-21 18:44:21,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:44:21,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:21,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:21,294 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 131 states and 186 transitions. [2023-11-21 18:44:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 186 transitions. [2023-11-21 18:44:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:44:22,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:22,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 2 proven. 226 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 135 states and 190 transitions. [2023-11-21 18:44:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 190 transitions. [2023-11-21 18:44:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:44:23,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-11-21 18:44:24,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 135 states and 189 transitions. [2023-11-21 18:44:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 189 transitions. [2023-11-21 18:44:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:44:24,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:24,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-21 18:44:24,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 188 transitions. [2023-11-21 18:44:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 188 transitions. [2023-11-21 18:44:24,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:44:24,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:24,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:26,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 141 states and 199 transitions. [2023-11-21 18:44:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 199 transitions. [2023-11-21 18:44:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:44:26,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 2 proven. 282 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 145 states and 203 transitions. [2023-11-21 18:44:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 203 transitions. [2023-11-21 18:44:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:44:26,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:26,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-21 18:44:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 145 states and 202 transitions. [2023-11-21 18:44:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 202 transitions. [2023-11-21 18:44:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:44:27,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:27,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-21 18:44:28,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 145 states and 201 transitions. [2023-11-21 18:44:28,048 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 201 transitions. [2023-11-21 18:44:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:44:28,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:28,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 151 states and 212 transitions. [2023-11-21 18:44:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 212 transitions. [2023-11-21 18:44:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:44:29,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:29,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 2 proven. 344 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:30,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 155 states and 216 transitions. [2023-11-21 18:44:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 216 transitions. [2023-11-21 18:44:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:44:30,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:30,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2023-11-21 18:44:31,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 155 states and 215 transitions. [2023-11-21 18:44:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2023-11-21 18:44:31,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:44:31,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:31,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2023-11-21 18:44:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 155 states and 214 transitions. [2023-11-21 18:44:31,697 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2023-11-21 18:44:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:44:31,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:31,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:33,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 161 states and 225 transitions. [2023-11-21 18:44:33,379 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-21 18:44:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:44:33,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:33,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:33,493 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 2 proven. 412 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 165 states and 229 transitions. [2023-11-21 18:44:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 229 transitions. [2023-11-21 18:44:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:44:34,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2023-11-21 18:44:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 165 states and 228 transitions. [2023-11-21 18:44:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-21 18:44:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-21 18:44:35,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:35,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:44:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:35,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 165 states and 227 transitions. [2023-11-21 18:44:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2023-11-21 18:44:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:44:35,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:35,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:37,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 171 states and 238 transitions. [2023-11-21 18:44:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 238 transitions. [2023-11-21 18:44:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:44:37,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:37,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 2 proven. 486 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 175 states and 242 transitions. [2023-11-21 18:44:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-21 18:44:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:44:38,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:38,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2023-11-21 18:44:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 175 states and 241 transitions. [2023-11-21 18:44:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 241 transitions. [2023-11-21 18:44:39,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-21 18:44:39,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:39,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2023-11-21 18:44:39,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 175 states and 240 transitions. [2023-11-21 18:44:39,762 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 240 transitions. [2023-11-21 18:44:39,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:44:39,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:39,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat