./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL --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 d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:57,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:57,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:30:57,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:57,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:57,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:57,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:57,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:57,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:57,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:57,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:57,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:57,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:57,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:57,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:57,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:57,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:57,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:57,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:57,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:30:57,908 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:57,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:57,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:57,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:57,911 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:57,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:57,912 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:57,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:57,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:57,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:57,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:57,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:57,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:57,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:57,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:57,918 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_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 [2023-11-19 03:30:58,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:58,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:58,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:58,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:58,252 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:58,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2023-11-19 03:31:01,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:01,832 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:01,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2023-11-19 03:31:01,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/data/c1674d84e/05e3672ae35d491297b37350a7d47d62/FLAG5cbf7caee [2023-11-19 03:31:01,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/data/c1674d84e/05e3672ae35d491297b37350a7d47d62 [2023-11-19 03:31:01,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:01,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:01,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:01,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:01,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:01,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:01" (1/1) ... [2023-11-19 03:31:01,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62144d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:01, skipping insertion in model container [2023-11-19 03:31:01,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:01" (1/1) ... [2023-11-19 03:31:01,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:02,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:02,193 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:02,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:02,257 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:02,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02 WrapperNode [2023-11-19 03:31:02,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:02,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:02,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:02,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:02,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,338 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-19 03:31:02,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:02,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:02,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:02,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:02,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:02,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:02,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:02,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:02,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:02" (1/1) ... [2023-11-19 03:31:02,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:02,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:02,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:02,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708c3d10-e4b8-4083-b72d-e2e902722c4c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:02,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:31:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:02,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:31:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:31:02,567 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:02,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:03,059 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:03,111 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:03,111 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:31:03,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:03 BoogieIcfgContainer [2023-11-19 03:31:03,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:31:03,120 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:31:03,120 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:31:03,134 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:31:03,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:03" (1/1) ... [2023-11-19 03:31:03,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:31:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-19 03:31:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-19 03:31:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:31:03,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-19 03:31:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-19 03:31:03,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:31:03,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-19 03:31:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-19 03:31:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:31:03,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-19 03:31:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-19 03:31:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:31:03,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-19 03:31:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-19 03:31:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:31:03,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-19 03:31:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-19 03:31:03,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:31:03,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:03,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-19 03:31:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-19 03:31:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:31:03,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-19 03:31:04,031 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-19 03:31:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:31:04,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2023-11-19 03:31:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-19 03:31:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:31:04,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-19 03:31:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-19 03:31:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:31:04,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2023-11-19 03:31:04,356 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-19 03:31:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:31:04,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-19 03:31:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-19 03:31:04,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:31:04,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-19 03:31:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-19 03:31:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:31:04,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-19 03:31:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-19 03:31:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:31:04,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:31:04,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2023-11-19 03:31:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-19 03:31:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:31:04,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:31:04,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-19 03:31:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-19 03:31:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:31:04,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:04,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:04,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:31:04,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-19 03:31:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-19 03:31:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:31:05,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:05,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:05,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:05,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:05,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 172 states and 194 transitions. [2023-11-19 03:31:05,868 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 194 transitions. [2023-11-19 03:31:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:31:05,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:05,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:05,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:05,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:05,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2023-11-19 03:31:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2023-11-19 03:31:06,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:31:06,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:06,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:06,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:31:06,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 195 states and 224 transitions. [2023-11-19 03:31:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 224 transitions. [2023-11-19 03:31:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:31:07,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:07,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:07,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:31:07,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 198 states and 228 transitions. [2023-11-19 03:31:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 228 transitions. [2023-11-19 03:31:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:31:07,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:07,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:07,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 200 states and 232 transitions. [2023-11-19 03:31:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-19 03:31:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:31:07,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:07,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:07,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:07,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 203 states and 237 transitions. [2023-11-19 03:31:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2023-11-19 03:31:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:31:08,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:08,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:08,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:31:08,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 205 states and 240 transitions. [2023-11-19 03:31:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2023-11-19 03:31:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:31:08,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:08,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:08,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:31:08,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 209 states and 245 transitions. [2023-11-19 03:31:09,358 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 245 transitions. [2023-11-19 03:31:09,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:31:09,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:09,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:09,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:09,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:09,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 210 states and 247 transitions. [2023-11-19 03:31:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions. [2023-11-19 03:31:09,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:31:09,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:09,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:09,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:31:09,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 212 states and 250 transitions. [2023-11-19 03:31:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2023-11-19 03:31:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:31:10,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:10,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:10,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:10,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 222 states and 266 transitions. [2023-11-19 03:31:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 266 transitions. [2023-11-19 03:31:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:31:11,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:11,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:11,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:11,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:11,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 223 states and 267 transitions. [2023-11-19 03:31:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2023-11-19 03:31:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:31:11,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:11,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:11,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:11,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 234 states and 284 transitions. [2023-11-19 03:31:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2023-11-19 03:31:12,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:31:12,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:12,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:12,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:12,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 236 states and 286 transitions. [2023-11-19 03:31:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 286 transitions. [2023-11-19 03:31:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:31:12,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:12,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:12,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:12,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 235 states and 285 transitions. [2023-11-19 03:31:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 285 transitions. [2023-11-19 03:31:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:31:12,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:12,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:12,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:12,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:13,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:13,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 240 states and 295 transitions. [2023-11-19 03:31:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 295 transitions. [2023-11-19 03:31:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:31:13,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:13,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:13,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:13,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 239 states and 294 transitions. [2023-11-19 03:31:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 294 transitions. [2023-11-19 03:31:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:31:13,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:13,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:13,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:13,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 245 states and 305 transitions. [2023-11-19 03:31:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 305 transitions. [2023-11-19 03:31:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:31:14,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:14,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:14,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:31:14,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 255 states and 322 transitions. [2023-11-19 03:31:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 322 transitions. [2023-11-19 03:31:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:31:16,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:16,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:16,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:31:16,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:18,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 270 states and 345 transitions. [2023-11-19 03:31:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2023-11-19 03:31:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:31:18,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:18,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:18,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:18,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:31:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 269 states and 344 transitions. [2023-11-19 03:31:18,738 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 344 transitions. [2023-11-19 03:31:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:31:18,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:18,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:18,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:31:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 268 states and 343 transitions. [2023-11-19 03:31:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 343 transitions. [2023-11-19 03:31:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:31:18,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:18,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:18,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:31:18,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 304 states and 420 transitions. [2023-11-19 03:31:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 420 transitions. [2023-11-19 03:31:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:31:21,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:21,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:21,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:21,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:31:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 303 states and 419 transitions. [2023-11-19 03:31:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 419 transitions. [2023-11-19 03:31:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:31:21,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:21,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:21,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:31:21,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 340 states and 498 transitions. [2023-11-19 03:31:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 498 transitions. [2023-11-19 03:31:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:31:24,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:24,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:24,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:24,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:24,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:31:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 339 states and 497 transitions. [2023-11-19 03:31:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 497 transitions. [2023-11-19 03:31:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:31:24,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:24,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:24,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:31:24,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:24,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:31:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 338 states and 496 transitions. [2023-11-19 03:31:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 496 transitions. [2023-11-19 03:31:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:31:24,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:24,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:24,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:31:24,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:27,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 364 states and 532 transitions. [2023-11-19 03:31:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 532 transitions. [2023-11-19 03:31:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:31:27,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:27,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:27,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:27,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:27,485 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:31:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 375 states and 556 transitions. [2023-11-19 03:31:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 556 transitions. [2023-11-19 03:31:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:31:28,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:28,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:28,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:31:28,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:31:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 402 states and 592 transitions. [2023-11-19 03:31:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 592 transitions. [2023-11-19 03:31:32,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:31:32,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:32,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:32,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:32,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:32,172 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:31:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 401 states and 591 transitions. [2023-11-19 03:31:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 591 transitions. [2023-11-19 03:31:32,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:31:32,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:32,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:32,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:32,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:31:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:32,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 400 states and 590 transitions. [2023-11-19 03:31:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 590 transitions. [2023-11-19 03:31:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:31:32,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:32,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:32,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:31:32,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 399 states and 589 transitions. [2023-11-19 03:31:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 589 transitions. [2023-11-19 03:31:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:31:32,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:32,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:32,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:32,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 413 states and 618 transitions. [2023-11-19 03:31:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 618 transitions. [2023-11-19 03:31:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:31:34,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:34,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:34,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 428 states and 647 transitions. [2023-11-19 03:31:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 647 transitions. [2023-11-19 03:31:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:31:35,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:35,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:35,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:35,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:31:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 427 states and 646 transitions. [2023-11-19 03:31:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 646 transitions. [2023-11-19 03:31:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:31:35,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:35,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:35,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:35,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 443 states and 677 transitions. [2023-11-19 03:31:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 677 transitions. [2023-11-19 03:31:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:31:36,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:36,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:36,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:36,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:31:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:36,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 442 states and 676 transitions. [2023-11-19 03:31:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 676 transitions. [2023-11-19 03:31:36,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:31:36,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:36,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:37,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:37,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 441 states and 675 transitions. [2023-11-19 03:31:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 675 transitions. [2023-11-19 03:31:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:31:37,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:37,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:37,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:31:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 440 states and 674 transitions. [2023-11-19 03:31:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 674 transitions. [2023-11-19 03:31:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:31:37,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:37,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:37,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:37,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:40,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 458 states and 706 transitions. [2023-11-19 03:31:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 706 transitions. [2023-11-19 03:31:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:31:40,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:40,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:40,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:40,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:31:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 457 states and 705 transitions. [2023-11-19 03:31:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 705 transitions. [2023-11-19 03:31:40,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:31:40,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:40,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:40,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:41,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:41,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 456 states and 704 transitions. [2023-11-19 03:31:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 704 transitions. [2023-11-19 03:31:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:31:41,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:41,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:41,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:41,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 455 states and 703 transitions. [2023-11-19 03:31:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 703 transitions. [2023-11-19 03:31:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:31:42,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:42,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:42,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:31:42,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:31:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 465 states and 723 transitions. [2023-11-19 03:31:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 723 transitions. [2023-11-19 03:31:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:31:45,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:45,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:45,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:31:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:47,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 464 states and 722 transitions. [2023-11-19 03:31:47,965 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 722 transitions. [2023-11-19 03:31:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:31:47,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:47,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:48,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:31:48,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:31:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.