./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:07,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:07,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:26:07,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:07,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:07,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:07,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:07,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:07,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:07,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:07,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:07,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:07,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:26:07,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:07,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:26:07,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:07,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:07,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:07,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:07,319 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:07,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:07,320 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:26:07,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:07,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:07,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:07,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:07,323 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:07,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:07,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:07,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:07,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:07,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:07,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:07,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:07,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:07,329 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_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 [2023-11-23 20:26:07,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:07,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:07,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:07,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:07,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:07,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/hard2.c [2023-11-23 20:26:10,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:10,989 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:10,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/sv-benchmarks/c/nla-digbench/hard2.c [2023-11-23 20:26:10,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/data/3cc5af10c/ea487fa796094253b5c9f067588ce423/FLAGf9f626dd6 [2023-11-23 20:26:11,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/data/3cc5af10c/ea487fa796094253b5c9f067588ce423 [2023-11-23 20:26:11,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:11,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:11,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:11,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:11,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:11,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a2ae19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11, skipping insertion in model container [2023-11-23 20:26:11,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:11,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:11,295 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:11,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:11,346 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:11,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11 WrapperNode [2023-11-23 20:26:11,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:11,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:11,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:11,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:11,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,409 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-23 20:26:11,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:11,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:11,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:11,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:11,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:11,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:11,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:11,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:11,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:11,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:11,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:11,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7da2a-fb41-44da-9795-983203301327/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:26:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:26:11,590 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:11,593 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:11,889 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:11,940 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:11,942 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:26:11,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:11 BoogieIcfgContainer [2023-11-23 20:26:11,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:11,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:11,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:11,958 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:11,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:11" (1/1) ... [2023-11-23 20:26:11,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:12,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-23 20:26:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-23 20:26:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:26:12,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:12,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:12,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:26:12,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-23 20:26:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-23 20:26:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:26:12,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:12,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:12,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:12,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:26:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-23 20:26:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-23 20:26:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:26:12,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:12,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:12,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:12,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:26:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 70 states and 80 transitions. [2023-11-23 20:26:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2023-11-23 20:26:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:26:12,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:12,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:12,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:12,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:12,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 86 transitions. [2023-11-23 20:26:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-23 20:26:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:26:12,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:12,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:12,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 96 transitions. [2023-11-23 20:26:13,202 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-23 20:26:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:26:13,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:13,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:13,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:13,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 104 transitions. [2023-11-23 20:26:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-23 20:26:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:26:13,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:13,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:13,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:13,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 105 transitions. [2023-11-23 20:26:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-23 20:26:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:26:13,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:13,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:13,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:13,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 87 states and 116 transitions. [2023-11-23 20:26:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 116 transitions. [2023-11-23 20:26:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:26:14,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:14,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:14,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:14,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:14,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 129 transitions. [2023-11-23 20:26:14,769 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-11-23 20:26:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:26:14,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:14,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:14,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 141 transitions. [2023-11-23 20:26:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-23 20:26:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:26:15,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:15,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:15,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:15,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:15,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:26:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 106 states and 158 transitions. [2023-11-23 20:26:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2023-11-23 20:26:16,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:26:16,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:16,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:16,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:16,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:16,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 173 transitions. [2023-11-23 20:26:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 173 transitions. [2023-11-23 20:26:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:26:16,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:16,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:16,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:16,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:17,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 121 states and 189 transitions. [2023-11-23 20:26:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 189 transitions. [2023-11-23 20:26:17,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:26:17,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:17,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:17,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:17,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:18,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 203 transitions. [2023-11-23 20:26:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 203 transitions. [2023-11-23 20:26:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:26:18,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:18,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:18,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:18,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 134 states and 216 transitions. [2023-11-23 20:26:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 216 transitions. [2023-11-23 20:26:19,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:26:19,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:19,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:19,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:19,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 227 transitions. [2023-11-23 20:26:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 227 transitions. [2023-11-23 20:26:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:26:20,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:20,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:20,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:20,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 151 states and 243 transitions. [2023-11-23 20:26:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 243 transitions. [2023-11-23 20:26:21,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:26:21,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:21,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:21,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:21,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 152 states and 244 transitions. [2023-11-23 20:26:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 244 transitions. [2023-11-23 20:26:21,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:26:21,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:21,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:21,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 160 states and 255 transitions. [2023-11-23 20:26:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 255 transitions. [2023-11-23 20:26:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:26:22,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:22,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:26:22,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:26:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 168 states and 266 transitions. [2023-11-23 20:26:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 266 transitions. [2023-11-23 20:26:23,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:26:23,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:23,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:23,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:23,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:26:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 182 states and 286 transitions. [2023-11-23 20:26:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2023-11-23 20:26:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:26:25,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:25,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:25,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:25,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:25,238 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 20:26:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 191 states and 298 transitions. [2023-11-23 20:26:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2023-11-23 20:26:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:26:25,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:25,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:25,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:26:25,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:26:26,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 202 states and 325 transitions. [2023-11-23 20:26:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 325 transitions. [2023-11-23 20:26:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:26:26,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:26,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:26,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:26,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:26:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 207 states and 337 transitions. [2023-11-23 20:26:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 337 transitions. [2023-11-23 20:26:27,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:26:27,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:27,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:27,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:27,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:26:29,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 210 states and 344 transitions. [2023-11-23 20:26:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 344 transitions. [2023-11-23 20:26:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:26:29,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:29,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:29,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:29,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:26:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 216 states and 358 transitions. [2023-11-23 20:26:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 358 transitions. [2023-11-23 20:26:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:26:30,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:30,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:30,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:30,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 20:26:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 223 states and 371 transitions. [2023-11-23 20:26:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 371 transitions. [2023-11-23 20:26:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:26:32,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:32,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:32,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:32,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:32,556 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-23 20:26:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 228 states and 384 transitions. [2023-11-23 20:26:33,707 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 384 transitions. [2023-11-23 20:26:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:26:33,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:33,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:33,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:33,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-23 20:26:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 233 states and 398 transitions. [2023-11-23 20:26:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 398 transitions. [2023-11-23 20:26:35,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:26:35,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:35,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:35,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:26:35,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:26:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 239 states and 408 transitions. [2023-11-23 20:26:36,327 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 408 transitions. [2023-11-23 20:26:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:26:36,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:36,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:36,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:26:36,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:36,599 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:26:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 244 states and 421 transitions. [2023-11-23 20:26:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 421 transitions. [2023-11-23 20:26:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:26:37,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:37,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:26:37,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:26:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 255 states and 440 transitions. [2023-11-23 20:26:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 440 transitions. [2023-11-23 20:26:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:26:39,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:39,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:26:39,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:26:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 267 states and 460 transitions. [2023-11-23 20:26:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 460 transitions. [2023-11-23 20:26:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:26:42,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:42,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:42,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:42,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:26:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 272 states and 467 transitions. [2023-11-23 20:26:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 467 transitions. [2023-11-23 20:26:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:26:43,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:43,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:43,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:43,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:26:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 280 states and 480 transitions. [2023-11-23 20:26:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 480 transitions. [2023-11-23 20:26:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:26:44,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:44,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:44,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:44,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:26:45,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 287 states and 490 transitions. [2023-11-23 20:26:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 490 transitions. [2023-11-23 20:26:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:26:45,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:45,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:45,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:26:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 301 states and 512 transitions. [2023-11-23 20:26:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 512 transitions. [2023-11-23 20:26:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:26:49,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:49,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:49,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:49,675 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-23 20:26:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 310 states and 523 transitions. [2023-11-23 20:26:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 523 transitions. [2023-11-23 20:26:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:26:50,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:50,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:50,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:26:50,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:26:51,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 321 states and 555 transitions. [2023-11-23 20:26:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 555 transitions. [2023-11-23 20:26:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:26:51,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:51,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:51,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:26:51,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:26:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 325 states and 570 transitions. [2023-11-23 20:26:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 570 transitions. [2023-11-23 20:26:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:26:53,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:53,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:53,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:26:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 324 states and 569 transitions. [2023-11-23 20:26:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 569 transitions. [2023-11-23 20:26:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:26:53,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:53,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:26:53,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:26:56,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 326 states and 576 transitions. [2023-11-23 20:26:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 576 transitions. [2023-11-23 20:26:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:26:56,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:56,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:56,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:26:56,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:56,654 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:26:57,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 332 states and 591 transitions. [2023-11-23 20:26:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 591 transitions. [2023-11-23 20:26:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:26:57,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:57,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:57,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:26:57,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:26:59,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 339 states and 604 transitions. [2023-11-23 20:26:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 604 transitions. [2023-11-23 20:26:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:26:59,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:59,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:59,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:26:59,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:27:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 346 states and 624 transitions. [2023-11-23 20:27:03,083 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 624 transitions. [2023-11-23 20:27:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:27:03,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:03,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:03,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:27:03,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.