./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/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_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:51,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:51,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:45:51,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:51,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:51,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:51,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:51,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:51,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:51,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:51,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:51,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:51,285 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:51,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:51,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:51,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:51,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:51,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:51,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:51,289 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:51,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:51,293 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:51,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:51,294 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:51,294 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:51,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:51,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:51,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:51,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:51,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:51,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:51,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:51,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:51,298 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_0d55537e-dfed-44d0-887f-556a41c44b37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2023-11-19 02:45:51,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:51,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:51,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:51,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:51,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:51,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-19 02:45:54,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:54,947 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:54,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-19 02:45:54,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/data/eb45bf678/9439611bbb1a4686a31d6fec74fd255a/FLAG1fd64c412 [2023-11-19 02:45:54,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/data/eb45bf678/9439611bbb1a4686a31d6fec74fd255a [2023-11-19 02:45:54,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:54,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:54,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:54,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:54,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:54,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:54" (1/1) ... [2023-11-19 02:45:55,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c4d998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55, skipping insertion in model container [2023-11-19 02:45:55,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:54" (1/1) ... [2023-11-19 02:45:55,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:55,188 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c[520,533] [2023-11-19 02:45:55,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:55,215 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:55,225 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c[520,533] [2023-11-19 02:45:55,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:55,245 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:55,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55 WrapperNode [2023-11-19 02:45:55,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:55,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:55,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:55,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:55,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,280 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-19 02:45:55,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:55,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:55,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:55,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:55,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:55,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:55,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:55,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:55,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:55,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:55,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:55,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d55537e-dfed-44d0-887f-556a41c44b37/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:55,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:45:55,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:45:55,449 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:55,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:55,602 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:55,623 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:55,624 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:45:55,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:55 BoogieIcfgContainer [2023-11-19 02:45:55,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:55,630 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:55,630 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:55,641 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:55,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:55" (1/1) ... [2023-11-19 02:45:55,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-19 02:45:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-19 02:45:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:45:55,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:55,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:55,854 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 02:45:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-19 02:45:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 02:45:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:55,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:55,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:56,000 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 02:45:56,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 02:45:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 02:45:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:56,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:56,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:56,308 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 02:45:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-19 02:45:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-19 02:45:56,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:45:56,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:56,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:56,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:45:56,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:57,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:57,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2023-11-19 02:45:57,389 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:45:57,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:45:57,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:57,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:57,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:45:57,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:45:57,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 49 transitions. [2023-11-19 02:45:57,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 02:45:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:45:57,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:57,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:45:57,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 58 transitions. [2023-11-19 02:45:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-11-19 02:45:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:45:57,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:57,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:58,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 43 states and 94 transitions. [2023-11-19 02:45:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2023-11-19 02:45:59,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:45:59,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:59,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 96 transitions. [2023-11-19 02:45:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 96 transitions. [2023-11-19 02:45:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:45:59,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:59,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:00,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 48 states and 111 transitions. [2023-11-19 02:46:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 111 transitions. [2023-11-19 02:46:00,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:46:00,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:00,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:00,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:46:00,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 52 states and 123 transitions. [2023-11-19 02:46:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 123 transitions. [2023-11-19 02:46:01,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:46:01,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:01,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:01,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:01,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:46:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:02,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 51 states and 117 transitions. [2023-11-19 02:46:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 117 transitions. [2023-11-19 02:46:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:46:02,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:02,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:02,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:02,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:46:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 53 states and 127 transitions. [2023-11-19 02:46:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 127 transitions. [2023-11-19 02:46:03,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:46:03,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:03,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:03,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:03,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:46:03,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 54 states and 133 transitions. [2023-11-19 02:46:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 133 transitions. [2023-11-19 02:46:03,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:46:03,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:03,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:03,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:46:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 57 states and 147 transitions. [2023-11-19 02:46:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 147 transitions. [2023-11-19 02:46:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:46:04,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:04,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:04,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:04,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:06,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:06,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 67 states and 209 transitions. [2023-11-19 02:46:06,246 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 209 transitions. [2023-11-19 02:46:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:46:06,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:06,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:06,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:46:06,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:46:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 69 states and 211 transitions. [2023-11-19 02:46:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 211 transitions. [2023-11-19 02:46:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:46:07,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:07,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:07,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:46:07,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:46:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 71 states and 213 transitions. [2023-11-19 02:46:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 213 transitions. [2023-11-19 02:46:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:46:07,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:07,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:07,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:08,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 71 states and 212 transitions. [2023-11-19 02:46:08,120 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 212 transitions. [2023-11-19 02:46:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:46:08,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:08,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:08,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:08,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:08,318 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 02:46:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 74 states and 227 transitions. [2023-11-19 02:46:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 227 transitions. [2023-11-19 02:46:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:09,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:09,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:09,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:46:09,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:46:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 78 states and 244 transitions. [2023-11-19 02:46:11,133 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 244 transitions. [2023-11-19 02:46:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:11,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:11,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:11,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:46:11,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 22 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:46:12,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 77 states and 236 transitions. [2023-11-19 02:46:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 236 transitions. [2023-11-19 02:46:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:46:12,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:12,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:12,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:46:12,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:46:14,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:14,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 77 states and 235 transitions. [2023-11-19 02:46:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 235 transitions. [2023-11-19 02:46:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:46:14,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:14,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:14,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:14,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-19 02:46:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 79 states and 245 transitions. [2023-11-19 02:46:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 245 transitions. [2023-11-19 02:46:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:46:16,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:16,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:16,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:16,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 29 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:46:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:17,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 80 states and 254 transitions. [2023-11-19 02:46:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 254 transitions. [2023-11-19 02:46:17,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:17,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:17,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:18,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:46:18,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:46:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 83 states and 276 transitions. [2023-11-19 02:46:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 276 transitions. [2023-11-19 02:46:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:46:18,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:18,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:18,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:46:18,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:19,005 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:46:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 85 states and 278 transitions. [2023-11-19 02:46:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 278 transitions. [2023-11-19 02:46:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:46:19,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:19,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:19,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:46:19,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:46:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 87 states and 280 transitions. [2023-11-19 02:46:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 280 transitions. [2023-11-19 02:46:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:46:20,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:20,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:20,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:20,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:46:22,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 93 states and 304 transitions. [2023-11-19 02:46:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 304 transitions. [2023-11-19 02:46:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:46:22,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:22,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:46:22,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:46:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 95 states and 306 transitions. [2023-11-19 02:46:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 306 transitions. [2023-11-19 02:46:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:46:23,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:23,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:23,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:23,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:46:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 99 states and 367 transitions. [2023-11-19 02:46:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 367 transitions. [2023-11-19 02:46:25,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:46:25,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:25,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:25,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:46:25,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 99 states and 366 transitions. [2023-11-19 02:46:25,789 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 366 transitions. [2023-11-19 02:46:25,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:46:25,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:25,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:25,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-19 02:46:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:26,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 101 states and 377 transitions. [2023-11-19 02:46:26,429 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 377 transitions. [2023-11-19 02:46:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:46:26,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:26,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:26,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:26,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:46:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:29,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 105 states and 399 transitions. [2023-11-19 02:46:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 399 transitions. [2023-11-19 02:46:29,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:46:29,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:29,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:29,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:29,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 28 proven. 49 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 02:46:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 107 states and 400 transitions. [2023-11-19 02:46:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 400 transitions. [2023-11-19 02:46:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:46:31,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:31,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:31,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:31,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 19 proven. 58 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 02:46:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 109 states and 401 transitions. [2023-11-19 02:46:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 401 transitions. [2023-11-19 02:46:33,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:46:33,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:33,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:33,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:46:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 111 states and 402 transitions. [2023-11-19 02:46:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 402 transitions. [2023-11-19 02:46:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 02:46:35,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:35,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:36,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:46:36,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 02:46:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 112 states and 414 transitions. [2023-11-19 02:46:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 414 transitions. [2023-11-19 02:46:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 02:46:37,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:37,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:37,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:46:37,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:37,819 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 36 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:46:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 115 states and 443 transitions. [2023-11-19 02:46:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 443 transitions. [2023-11-19 02:46:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:46:38,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:38,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:38,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:38,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:46:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 117 states and 445 transitions. [2023-11-19 02:46:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 445 transitions. [2023-11-19 02:46:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:46:40,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:40,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:46:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 119 states and 447 transitions. [2023-11-19 02:46:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 447 transitions. [2023-11-19 02:46:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:46:41,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:41,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:41,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:41,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:46:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 121 states and 449 transitions. [2023-11-19 02:46:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 449 transitions. [2023-11-19 02:46:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:46:42,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:42,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:42,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:42,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:46:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 127 states and 477 transitions. [2023-11-19 02:46:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 477 transitions. [2023-11-19 02:46:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:46:45,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:45,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:45,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:46:45,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 24 proven. 48 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.