./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/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_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/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_04d8927a-b99c-469e-972d-7ca24e533ca7/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 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:39,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:40,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:40,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:40,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:40,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:40,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:40,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:40,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:40,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:40,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:40,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:40,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:40,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:40,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:40,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:40,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:40,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:40,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:40,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:40,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:40,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:40,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:40,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:40,124 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:40,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:40,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:40,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:40,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:40,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:40,128 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:40,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:40,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:40,131 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_04d8927a-b99c-469e-972d-7ca24e533ca7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327b0d5e70f014fe291a4771fe2bbb17cb1148e77fe8f6a261d10a47df8adacc [2023-11-19 04:06:40,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:40,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:40,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:40,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:40,480 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:40,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-invgen/nested6.i [2023-11-19 04:06:43,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:43,956 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:43,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/sv-benchmarks/c/loop-invgen/nested6.i [2023-11-19 04:06:43,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/data/1153a34f8/bc24f1f0e82749c19d4de3999e631547/FLAG1061b0f98 [2023-11-19 04:06:43,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/data/1153a34f8/bc24f1f0e82749c19d4de3999e631547 [2023-11-19 04:06:43,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:43,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:43,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:43,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:43,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:43,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:43" (1/1) ... [2023-11-19 04:06:43,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5654faa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:43, skipping insertion in model container [2023-11-19 04:06:43,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:43" (1/1) ... [2023-11-19 04:06:44,022 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:44,229 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_04d8927a-b99c-469e-972d-7ca24e533ca7/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2023-11-19 04:06:44,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:44,269 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:44,291 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_04d8927a-b99c-469e-972d-7ca24e533ca7/sv-benchmarks/c/loop-invgen/nested6.i[893,906] [2023-11-19 04:06:44,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:44,324 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:44,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44 WrapperNode [2023-11-19 04:06:44,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:44,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:44,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:44,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:44,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,372 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-19 04:06:44,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:44,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:44,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:44,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:44,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:44,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:44,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:44,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:44,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:44,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:44,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:44,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d8927a-b99c-469e-972d-7ca24e533ca7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:44,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:44,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:44,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:06:44,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:06:44,574 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:44,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:44,787 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:44,821 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:44,821 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:06:44,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:44 BoogieIcfgContainer [2023-11-19 04:06:44,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:44,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:44,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:44,844 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:44,845 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:44" (1/1) ... [2023-11-19 04:06:44,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:44,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-19 04:06:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-19 04:06:44,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:44,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:44,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:45,671 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 04:06:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 39 transitions. [2023-11-19 04:06:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 04:06:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:06:45,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:46,071 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 04:06:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 48 transitions. [2023-11-19 04:06:46,350 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2023-11-19 04:06:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:06:46,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:46,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:46,536 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 04:06:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 59 transitions. [2023-11-19 04:06:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-11-19 04:06:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:06:46,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:46,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:46,879 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 04:06:46,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2023-11-19 04:06:46,914 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2023-11-19 04:06:46,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:06:46,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:46,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 72 transitions. [2023-11-19 04:06:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 04:06:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:06:47,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:47,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2023-11-19 04:06:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2023-11-19 04:06:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:48,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:48,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:06:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 60 transitions. [2023-11-19 04:06:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2023-11-19 04:06:48,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:06:48,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2023-11-19 04:06:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2023-11-19 04:06:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:06:50,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:06:50,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 84 transitions. [2023-11-19 04:06:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2023-11-19 04:06:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:06:50,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:06:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 93 transitions. [2023-11-19 04:06:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2023-11-19 04:06:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:06:51,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:51,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:06:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2023-11-19 04:06:52,097 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2023-11-19 04:06:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:06:52,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:52,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:06:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 104 transitions. [2023-11-19 04:06:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2023-11-19 04:06:53,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:06:53,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:06:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 104 transitions. [2023-11-19 04:06:53,741 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 104 transitions. [2023-11-19 04:06:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:06:53,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:53,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:06:54,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:54,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 112 transitions. [2023-11-19 04:06:54,619 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-19 04:06:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:06:54,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:54,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:06:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 110 transitions. [2023-11-19 04:06:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2023-11-19 04:06:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:06:55,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 04:06:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 58 states and 107 transitions. [2023-11-19 04:06:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-11-19 04:06:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:06:55,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:06:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 60 states and 112 transitions. [2023-11-19 04:06:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions. [2023-11-19 04:06:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:06:56,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:06:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2023-11-19 04:06:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2023-11-19 04:06:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:06:57,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:57,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 04:06:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 111 transitions. [2023-11-19 04:06:57,433 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2023-11-19 04:06:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:06:57,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:57,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 04:06:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 121 transitions. [2023-11-19 04:06:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2023-11-19 04:06:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:06:58,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:07:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 137 transitions. [2023-11-19 04:07:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2023-11-19 04:07:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:07:01,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:01,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:07:01,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2023-11-19 04:07:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2023-11-19 04:07:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:07:01,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:01,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:07:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 143 transitions. [2023-11-19 04:07:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2023-11-19 04:07:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:07:02,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:02,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:07:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 79 states and 146 transitions. [2023-11-19 04:07:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2023-11-19 04:07:03,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:07:03,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:03,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:07:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 88 states and 169 transitions. [2023-11-19 04:07:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 169 transitions. [2023-11-19 04:07:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:07:07,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:07:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 96 states and 185 transitions. [2023-11-19 04:07:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 185 transitions. [2023-11-19 04:07:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:07:09,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:09,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:07:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2023-11-19 04:07:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2023-11-19 04:07:10,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:07:10,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:10,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 04:07:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 193 transitions. [2023-11-19 04:07:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2023-11-19 04:07:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:07:11,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:11,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 04:07:12,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 200 transitions. [2023-11-19 04:07:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2023-11-19 04:07:12,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:07:12,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:12,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-11-19 04:07:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 109 states and 209 transitions. [2023-11-19 04:07:14,637 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 209 transitions. [2023-11-19 04:07:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:07:14,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:14,831 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-11-19 04:07:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 111 states and 212 transitions. [2023-11-19 04:07:15,567 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 212 transitions. [2023-11-19 04:07:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:07:15,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:15,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-11-19 04:07:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 211 transitions. [2023-11-19 04:07:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 211 transitions. [2023-11-19 04:07:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:07:16,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:16,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 04:07:19,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:19,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 121 states and 231 transitions. [2023-11-19 04:07:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2023-11-19 04:07:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:07:19,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:19,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-19 04:07:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 245 transitions. [2023-11-19 04:07:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 245 transitions. [2023-11-19 04:07:23,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 04:07:23,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:23,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-11-19 04:07:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 128 states and 245 transitions. [2023-11-19 04:07:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 245 transitions. [2023-11-19 04:07:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:07:24,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:24,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-19 04:07:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 144 states and 274 transitions. [2023-11-19 04:07:30,214 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 274 transitions. [2023-11-19 04:07:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:07:30,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:30,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-19 04:07:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 150 states and 286 transitions. [2023-11-19 04:07:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 286 transitions. [2023-11-19 04:07:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:07:32,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:32,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.