./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d0713a1238e02d0284b255e77b84c086e26fd99d5533d6977fb0509f2ece092 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:59,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:59,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:51:59,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:59,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:59,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:59,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:59,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:59,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:59,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:59,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:59,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:59,646 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:59,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:59,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:59,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:59,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:59,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:59,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:59,650 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:59,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:59,651 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:59,652 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:59,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:59,653 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:59,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:59,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:59,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:59,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:59,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:59,655 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:59,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:59,656 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:59,657 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_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d0713a1238e02d0284b255e77b84c086e26fd99d5533d6977fb0509f2ece092 [2023-11-24 22:51:59,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:59,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:59,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:59,977 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:59,977 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:59,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2023-11-24 22:52:03,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:03,463 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:03,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/sv-benchmarks/c/eca-rers2012/Problem01_label20.c [2023-11-24 22:52:03,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/data/7855f8f0c/d7b662fa15b142da9fb0e5efbdcd4c7a/FLAG2e1df9260 [2023-11-24 22:52:03,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/data/7855f8f0c/d7b662fa15b142da9fb0e5efbdcd4c7a [2023-11-24 22:52:03,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:03,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:03,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:03,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:03,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:03,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:03" (1/1) ... [2023-11-24 22:52:03,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d66f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:03, skipping insertion in model container [2023-11-24 22:52:03,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:03" (1/1) ... [2023-11-24 22:52:03,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:03,877 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/sv-benchmarks/c/eca-rers2012/Problem01_label20.c[14503,14516] [2023-11-24 22:52:03,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:03,944 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:04,089 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/sv-benchmarks/c/eca-rers2012/Problem01_label20.c[14503,14516] [2023-11-24 22:52:04,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:04,161 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:04,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04 WrapperNode [2023-11-24 22:52:04,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:04,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:04,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:04,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:04,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,280 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 658 [2023-11-24 22:52:04,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:04,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:04,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:04,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:04,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:04,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:04,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:04,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:04,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:04" (1/1) ... [2023-11-24 22:52:04,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:04,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:04,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:04,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfde863a-402a-40e5-a6b7-3c4fc0e028af/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:04,604 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:04,613 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:06,095 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:06,418 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:06,418 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:52:06,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:06 BoogieIcfgContainer [2023-11-24 22:52:06,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:06,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:06,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:06,435 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:06,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:06" (1/1) ... [2023-11-24 22:52:06,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:06,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2023-11-24 22:52:06,526 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2023-11-24 22:52:06,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:52:06,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:06,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 261 transitions. [2023-11-24 22:52:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2023-11-24 22:52:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:52:07,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:07,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 215 states and 339 transitions. [2023-11-24 22:52:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 339 transitions. [2023-11-24 22:52:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 22:52:09,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 220 states and 346 transitions. [2023-11-24 22:52:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 346 transitions. [2023-11-24 22:52:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 22:52:09,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:09,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 291 states and 425 transitions. [2023-11-24 22:52:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 425 transitions. [2023-11-24 22:52:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-24 22:52:10,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:10,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 307 states and 444 transitions. [2023-11-24 22:52:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 444 transitions. [2023-11-24 22:52:10,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-24 22:52:10,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:10,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:11,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 317 states and 457 transitions. [2023-11-24 22:52:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 457 transitions. [2023-11-24 22:52:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-24 22:52:11,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:11,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 338 states and 481 transitions. [2023-11-24 22:52:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 481 transitions. [2023-11-24 22:52:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 22:52:12,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:12,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:13,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 349 states and 495 transitions. [2023-11-24 22:52:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 495 transitions. [2023-11-24 22:52:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 22:52:13,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:13,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:13,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 359 states and 506 transitions. [2023-11-24 22:52:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 506 transitions. [2023-11-24 22:52:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-24 22:52:13,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:13,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 365 states and 512 transitions. [2023-11-24 22:52:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 512 transitions. [2023-11-24 22:52:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 22:52:13,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:13,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 373 states and 525 transitions. [2023-11-24 22:52:14,327 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 525 transitions. [2023-11-24 22:52:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-24 22:52:14,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:14,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 380 states and 535 transitions. [2023-11-24 22:52:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 535 transitions. [2023-11-24 22:52:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-24 22:52:14,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:14,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 388 states and 544 transitions. [2023-11-24 22:52:15,147 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 544 transitions. [2023-11-24 22:52:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-24 22:52:15,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:15,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 390 states and 546 transitions. [2023-11-24 22:52:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 546 transitions. [2023-11-24 22:52:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 22:52:15,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:15,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 398 states and 556 transitions. [2023-11-24 22:52:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 556 transitions. [2023-11-24 22:52:16,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-24 22:52:16,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:16,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 400 states and 558 transitions. [2023-11-24 22:52:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 558 transitions. [2023-11-24 22:52:16,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-24 22:52:16,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:16,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 402 states and 560 transitions. [2023-11-24 22:52:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 560 transitions. [2023-11-24 22:52:16,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-24 22:52:16,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:17,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 413 states and 574 transitions. [2023-11-24 22:52:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 574 transitions. [2023-11-24 22:52:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-24 22:52:17,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:17,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 423 states and 585 transitions. [2023-11-24 22:52:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 585 transitions. [2023-11-24 22:52:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-24 22:52:18,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:18,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 440 states and 604 transitions. [2023-11-24 22:52:18,841 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 604 transitions. [2023-11-24 22:52:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:52:18,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 454 states and 618 transitions. [2023-11-24 22:52:19,049 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 618 transitions. [2023-11-24 22:52:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-24 22:52:19,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:19,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-24 22:52:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 478 states and 645 transitions. [2023-11-24 22:52:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 645 transitions. [2023-11-24 22:52:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-24 22:52:20,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:20,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-24 22:52:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 507 states and 679 transitions. [2023-11-24 22:52:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 679 transitions. [2023-11-24 22:52:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 22:52:21,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:21,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 536 states and 709 transitions. [2023-11-24 22:52:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 709 transitions. [2023-11-24 22:52:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-24 22:52:21,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:21,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:52:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 584 states and 761 transitions. [2023-11-24 22:52:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 761 transitions. [2023-11-24 22:52:22,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-24 22:52:22,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:22,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 598 states and 775 transitions. [2023-11-24 22:52:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 775 transitions. [2023-11-24 22:52:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-24 22:52:22,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:22,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 627 states and 807 transitions. [2023-11-24 22:52:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 807 transitions. [2023-11-24 22:52:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-24 22:52:24,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:24,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:52:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 655 states and 837 transitions. [2023-11-24 22:52:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 837 transitions. [2023-11-24 22:52:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-24 22:52:25,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:25,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 694 states and 880 transitions. [2023-11-24 22:52:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 880 transitions. [2023-11-24 22:52:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-24 22:52:25,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:25,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 764 states and 958 transitions. [2023-11-24 22:52:27,374 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 958 transitions. [2023-11-24 22:52:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 22:52:27,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:27,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 833 states and 1048 transitions. [2023-11-24 22:52:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1048 transitions. [2023-11-24 22:52:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 22:52:30,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 901 states and 1121 transitions. [2023-11-24 22:52:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1121 transitions. [2023-11-24 22:52:32,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-24 22:52:32,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:32,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:32,808 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 22:52:33,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 902 states and 1121 transitions. [2023-11-24 22:52:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1121 transitions. [2023-11-24 22:52:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-24 22:52:33,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:33,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 930 states and 1151 transitions. [2023-11-24 22:52:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1151 transitions. [2023-11-24 22:52:34,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-24 22:52:34,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:36,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 970 states and 1200 transitions. [2023-11-24 22:52:36,307 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1200 transitions. [2023-11-24 22:52:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-24 22:52:36,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:36,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:37,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1009 states and 1242 transitions. [2023-11-24 22:52:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1242 transitions. [2023-11-24 22:52:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-24 22:52:37,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:37,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1080 states and 1313 transitions. [2023-11-24 22:52:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1313 transitions. [2023-11-24 22:52:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-24 22:52:39,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-24 22:52:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1095 states and 1330 transitions. [2023-11-24 22:52:41,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1330 transitions. [2023-11-24 22:52:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-24 22:52:41,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,347 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-24 22:52:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1098 states and 1334 transitions. [2023-11-24 22:52:41,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1334 transitions. [2023-11-24 22:52:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 22:52:41,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 97 proven. 29 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1117 states and 1355 transitions. [2023-11-24 22:52:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1355 transitions. [2023-11-24 22:52:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 22:52:42,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:42,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 97 proven. 29 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1136 states and 1376 transitions. [2023-11-24 22:52:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1376 transitions. [2023-11-24 22:52:43,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-24 22:52:43,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:43,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-24 22:52:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1153 states and 1397 transitions. [2023-11-24 22:52:44,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1397 transitions. [2023-11-24 22:52:44,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-24 22:52:44,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:44,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 127 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:52:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1169 states and 1417 transitions. [2023-11-24 22:52:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1417 transitions. [2023-11-24 22:52:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-24 22:52:45,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:45,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 106 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1174 states and 1423 transitions. [2023-11-24 22:52:46,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1423 transitions. [2023-11-24 22:52:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-24 22:52:46,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:46,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 106 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.