./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/ps2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/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_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/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_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/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 179b0134270d97f57074f9ac11d0788729a2f9ba65b60cccc5fdcd06091925db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:56,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:56,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:56,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:56,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:56,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:56,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:56,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:56,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:56,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:56,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:56,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:56,492 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:56,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:56,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:56,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:56,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:56,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:56,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:56,498 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:56,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:56,499 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:56,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:56,500 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:56,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:56,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:56,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:56,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:56,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:56,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:56,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:56,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:56,506 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:56,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:56,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:56,507 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_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 179b0134270d97f57074f9ac11d0788729a2f9ba65b60cccc5fdcd06091925db [2023-11-23 20:11:56,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:56,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:56,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:56,861 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:56,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:56,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-11-23 20:11:59,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:00,253 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:00,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-11-23 20:12:00,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/data/eaebc2b6d/ea69fd65b25449f2b8c1afcf33ed495f/FLAGac28b74bc [2023-11-23 20:12:00,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/data/eaebc2b6d/ea69fd65b25449f2b8c1afcf33ed495f [2023-11-23 20:12:00,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:00,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:00,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:00,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:00,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:00,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae2ded0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00, skipping insertion in model container [2023-11-23 20:12:00,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:00,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:00,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:00,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:00,644 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:00,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00 WrapperNode [2023-11-23 20:12:00,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:00,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:00,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:00,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:00,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,696 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-23 20:12:00,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:00,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:00,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:00,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:00,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:00,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:00,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:00,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:00,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:00" (1/1) ... [2023-11-23 20:12:00,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:00,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:00,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:00,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cae438c-1e85-4441-9dbd-46ba2bbde9cc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:00,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:00,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:00,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:12:00,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:12:00,933 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:00,936 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:01,225 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:01,266 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:01,266 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:12:01,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:01 BoogieIcfgContainer [2023-11-23 20:12:01,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:01,270 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:01,270 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:01,283 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:01,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:01" (1/1) ... [2023-11-23 20:12:01,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:01,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-23 20:12:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-23 20:12:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:12:01,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:01,578 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 20:12:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-23 20:12:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-23 20:12:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:12:01,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:01,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:01,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:01,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:01,703 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 20:12:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-23 20:12:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-23 20:12:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:12:01,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:01,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:01,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:01,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:01,792 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 20:12:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:01,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-23 20:12:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-23 20:12:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:12:01,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:01,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:01,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:01,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:02,037 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 20:12:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:02,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-23 20:12:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-23 20:12:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:12:02,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:02,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:02,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:02,306 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 20:12:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:02,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-23 20:12:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-23 20:12:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:12:02,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:02,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:02,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:02,422 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 20:12:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-23 20:12:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-23 20:12:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:12:02,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:02,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:02,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:02,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:02,760 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 20:12:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-23 20:12:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-23 20:12:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:12:02,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:02,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:03,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:03,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:03,158 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 20:12:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-23 20:12:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-23 20:12:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:12:03,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:03,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:03,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:03,558 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 20:12:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:03,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 91 states and 106 transitions. [2023-11-23 20:12:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2023-11-23 20:12:03,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:12:03,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:03,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:12:03,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:03,908 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 20:12:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-23 20:12:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-23 20:12:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:12:03,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:03,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:03,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:03,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:04,024 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 20:12:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2023-11-23 20:12:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2023-11-23 20:12:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:12:04,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:04,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:04,563 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 20:12:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:04,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-23 20:12:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-23 20:12:04,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:12:04,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:04,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:04,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:04,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:04,867 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 20:12:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2023-11-23 20:12:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-11-23 20:12:05,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:12:05,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:05,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:05,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:05,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:05,539 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 20:12:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 149 transitions. [2023-11-23 20:12:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2023-11-23 20:12:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:12:05,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:05,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:05,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:05,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:06,007 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 20:12:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:06,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 122 states and 160 transitions. [2023-11-23 20:12:06,561 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 160 transitions. [2023-11-23 20:12:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:12:06,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:06,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:06,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:06,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:06,634 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 20:12:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 129 states and 173 transitions. [2023-11-23 20:12:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-23 20:12:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:12:07,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:07,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:07,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:07,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:07,400 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 20:12:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 185 transitions. [2023-11-23 20:12:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-11-23 20:12:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:12:07,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:07,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:08,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:08,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:08,078 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 20:12:08,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 135 states and 184 transitions. [2023-11-23 20:12:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-23 20:12:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:12:08,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:08,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:08,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:08,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:08,342 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 20:12:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 198 transitions. [2023-11-23 20:12:09,069 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2023-11-23 20:12:09,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:12:09,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:09,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:09,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:09,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:09,168 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 20:12:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 150 states and 208 transitions. [2023-11-23 20:12:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-23 20:12:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:12:09,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:09,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:09,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:09,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:10,017 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 20:12:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 149 states and 207 transitions. [2023-11-23 20:12:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-23 20:12:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:12:10,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:10,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:10,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:10,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:10,716 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 20:12:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:11,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 157 states and 217 transitions. [2023-11-23 20:12:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-23 20:12:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:12:11,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:11,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:12,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:12,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 161 states and 225 transitions. [2023-11-23 20:12:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-23 20:12:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:12,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:12,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:12,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:12,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 165 states and 228 transitions. [2023-11-23 20:12:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-23 20:12:12,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:12,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:12,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:12,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:12,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:13,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 170 states and 235 transitions. [2023-11-23 20:12:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-23 20:12:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:12:13,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:13,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:13,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:13,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 173 states and 238 transitions. [2023-11-23 20:12:13,774 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-23 20:12:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:12:13,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:13,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:13,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:13,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 175 states and 242 transitions. [2023-11-23 20:12:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-23 20:12:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:12:14,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:14,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:14,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:12:14,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 178 states and 249 transitions. [2023-11-23 20:12:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-23 20:12:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:12:15,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:15,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:15,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:15,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 264 transitions. [2023-11-23 20:12:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-23 20:12:16,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:12:16,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:16,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:16,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:16,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 209 states and 296 transitions. [2023-11-23 20:12:17,942 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-23 20:12:17,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:12:17,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:17,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:17,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:17,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:12:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:18,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 211 states and 300 transitions. [2023-11-23 20:12:18,236 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-11-23 20:12:18,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:12:18,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:18,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:18,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:18,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 215 states and 310 transitions. [2023-11-23 20:12:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2023-11-23 20:12:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:12:18,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:18,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:18,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:18,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 215 states and 309 transitions. [2023-11-23 20:12:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2023-11-23 20:12:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:12:19,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:19,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:19,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 224 states and 329 transitions. [2023-11-23 20:12:20,556 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 329 transitions. [2023-11-23 20:12:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:12:20,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:20,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:20,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:20,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:12:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 229 states and 336 transitions. [2023-11-23 20:12:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 336 transitions. [2023-11-23 20:12:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:12:21,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:21,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:21,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:12:21,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 235 states and 346 transitions. [2023-11-23 20:12:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 346 transitions. [2023-11-23 20:12:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:12:22,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:22,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:22,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:12:22,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 246 states and 365 transitions. [2023-11-23 20:12:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 365 transitions. [2023-11-23 20:12:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:12:23,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:23,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:23,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:23,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:23,673 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 251 states and 375 transitions. [2023-11-23 20:12:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 375 transitions. [2023-11-23 20:12:24,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:12:24,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:24,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:24,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:24,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 256 states and 380 transitions. [2023-11-23 20:12:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 380 transitions. [2023-11-23 20:12:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:12:25,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:25,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:25,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:25,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 261 states and 388 transitions. [2023-11-23 20:12:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 388 transitions. [2023-11-23 20:12:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:12:26,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:26,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:26,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:12:26,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 264 states and 398 transitions. [2023-11-23 20:12:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 398 transitions. [2023-11-23 20:12:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:12:27,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:27,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:27,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:27,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 267 states and 403 transitions. [2023-11-23 20:12:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 403 transitions. [2023-11-23 20:12:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:12:28,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:28,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:12:28,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 270 states and 408 transitions. [2023-11-23 20:12:29,460 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 408 transitions. [2023-11-23 20:12:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:12:29,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:29,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:29,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:29,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 280 states and 417 transitions. [2023-11-23 20:12:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 417 transitions. [2023-11-23 20:12:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:12:30,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:30,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:30,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:30,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 297 states and 455 transitions. [2023-11-23 20:12:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 455 transitions. [2023-11-23 20:12:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:12:32,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:32,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:32,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-23 20:12:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 299 states and 459 transitions. [2023-11-23 20:12:32,667 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 459 transitions. [2023-11-23 20:12:32,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:12:32,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:32,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:32,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:34,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 306 states and 475 transitions. [2023-11-23 20:12:34,207 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 475 transitions. [2023-11-23 20:12:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:12:34,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:34,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:34,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:34,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:34,266 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:12:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:34,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 306 states and 474 transitions. [2023-11-23 20:12:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 474 transitions. [2023-11-23 20:12:34,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:12:34,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:34,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:34,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:34,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 315 states and 495 transitions. [2023-11-23 20:12:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 495 transitions. [2023-11-23 20:12:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:12:36,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:36,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:36,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:36,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:12:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 320 states and 502 transitions. [2023-11-23 20:12:37,374 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 502 transitions. [2023-11-23 20:12:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:12:37,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:37,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:37,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:12:37,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:39,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:39,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 329 states and 516 transitions. [2023-11-23 20:12:39,090 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 516 transitions. [2023-11-23 20:12:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:12:39,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:39,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:39,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:12:39,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 340 states and 538 transitions. [2023-11-23 20:12:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 538 transitions. [2023-11-23 20:12:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:12:40,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:40,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:12:40,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 345 states and 549 transitions. [2023-11-23 20:12:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 549 transitions. [2023-11-23 20:12:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:12:42,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:42,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:42,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:12:42,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 350 states and 554 transitions. [2023-11-23 20:12:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2023-11-23 20:12:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:12:43,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:43,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:43,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:12:43,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 355 states and 563 transitions. [2023-11-23 20:12:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 563 transitions. [2023-11-23 20:12:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:12:44,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:44,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:44,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:12:44,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 358 states and 578 transitions. [2023-11-23 20:12:46,012 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 578 transitions. [2023-11-23 20:12:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:12:46,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:46,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:46,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:12:46,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 361 states and 585 transitions. [2023-11-23 20:12:47,532 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 585 transitions. [2023-11-23 20:12:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:12:47,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:47,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:47,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:12:47,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 364 states and 591 transitions. [2023-11-23 20:12:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 591 transitions. [2023-11-23 20:12:49,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:12:49,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:49,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:49,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:49,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:12:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 374 states and 600 transitions. [2023-11-23 20:12:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 600 transitions. [2023-11-23 20:12:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:12:50,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:50,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:50,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:12:50,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:12:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 391 states and 644 transitions. [2023-11-23 20:12:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 644 transitions. [2023-11-23 20:12:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:12:52,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:52,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:52,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:52,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.