./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/elimination_max_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max_rec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d89bfe4b4c4586e423a8e3ebdbb120ac074219803de53807cd9f075553c6e3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:18,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:18,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:55:18,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:18,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:18,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:18,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:18,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:18,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:18,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:18,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:18,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:18,325 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:18,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:18,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:18,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:18,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:18,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:18,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:18,329 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:18,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:18,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:18,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:18,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:18,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:18,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:18,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:18,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:18,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:18,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:18,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:18,335 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:18,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:18,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:18,336 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_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d89bfe4b4c4586e423a8e3ebdbb120ac074219803de53807cd9f075553c6e3a [2023-11-11 23:55:18,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:18,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:18,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:18,692 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:18,692 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:18,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/verifythis/elimination_max_rec.c [2023-11-11 23:55:21,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:22,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:22,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/sv-benchmarks/c/verifythis/elimination_max_rec.c [2023-11-11 23:55:22,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/data/cb27ba323/53b9c189f2b0401a82be1a6ca1f93581/FLAG99bd62784 [2023-11-11 23:55:22,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/data/cb27ba323/53b9c189f2b0401a82be1a6ca1f93581 [2023-11-11 23:55:22,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:22,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:22,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:22,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:22,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:22,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f577989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22, skipping insertion in model container [2023-11-11 23:55:22,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:22,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:22,769 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:22,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:22,802 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:22,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22 WrapperNode [2023-11-11 23:55:22,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:22,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:22,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:22,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:22,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,840 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2023-11-11 23:55:22,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:22,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:22,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:22,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:22,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:22,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:22,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:22,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:22,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:22" (1/1) ... [2023-11-11 23:55:22,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:22,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:22,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:22,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_244488d8-52a7-4c9c-8581-ab95a6efbadf/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:55:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:55:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-11-11 23:55:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-11-11 23:55:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:55:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:55:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:55:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:55:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:23,137 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:23,139 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:23,440 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:23,515 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:23,515 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:23,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:23 BoogieIcfgContainer [2023-11-11 23:55:23,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:23,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:23,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:23,532 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:23,534 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:23" (1/1) ... [2023-11-11 23:55:23,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2023-11-11 23:55:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-11 23:55:23,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:55:23,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:23,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-11 23:55:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-11 23:55:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:55:24,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:24,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:24,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:24,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2023-11-11 23:55:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-11 23:55:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:55:24,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:24,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-11 23:55:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-11 23:55:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:55:24,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:24,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:25,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 49 transitions. [2023-11-11 23:55:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-11 23:55:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:55:25,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:25,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:25,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 50 transitions. [2023-11-11 23:55:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-11 23:55:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:55:25,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:25,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:25,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 61 transitions. [2023-11-11 23:55:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-11-11 23:55:25,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:55:25,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:25,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:26,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:26,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:26,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 77 transitions. [2023-11-11 23:55:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2023-11-11 23:55:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:55:26,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:26,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:26,512 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 82 transitions. [2023-11-11 23:55:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2023-11-11 23:55:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:55:27,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 91 transitions. [2023-11-11 23:55:29,147 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2023-11-11 23:55:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:55:29,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:29,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 107 transitions. [2023-11-11 23:55:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2023-11-11 23:55:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:55:30,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:30,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:55:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 79 states and 118 transitions. [2023-11-11 23:55:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2023-11-11 23:55:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:55:31,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 118 transitions. [2023-11-11 23:55:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2023-11-11 23:55:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:55:31,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:31,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:55:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:32,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 82 states and 120 transitions. [2023-11-11 23:55:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-11-11 23:55:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:55:32,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:32,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:33,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 90 states and 136 transitions. [2023-11-11 23:55:33,961 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2023-11-11 23:55:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:55:33,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:34,094 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-11 23:55:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 98 states and 147 transitions. [2023-11-11 23:55:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2023-11-11 23:55:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:55:35,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:55:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 100 states and 150 transitions. [2023-11-11 23:55:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 150 transitions. [2023-11-11 23:55:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:55:35,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:36,354 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:55:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 166 transitions. [2023-11-11 23:55:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2023-11-11 23:55:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:55:37,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-11 23:55:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 136 states and 218 transitions. [2023-11-11 23:55:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 218 transitions. [2023-11-11 23:55:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:55:44,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-11 23:55:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 136 states and 217 transitions. [2023-11-11 23:55:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 217 transitions. [2023-11-11 23:55:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:55:45,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:45,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:55:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 233 transitions. [2023-11-11 23:55:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-11-11 23:55:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:55:47,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:47,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-11 23:55:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 160 states and 257 transitions. [2023-11-11 23:55:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 257 transitions. [2023-11-11 23:55:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:55:51,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-11 23:55:52,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 160 states and 256 transitions. [2023-11-11 23:55:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 256 transitions. [2023-11-11 23:55:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-11 23:55:52,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:52,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-11 23:55:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 168 states and 272 transitions. [2023-11-11 23:55:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2023-11-11 23:55:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-11 23:55:54,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:54,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-11 23:55:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 176 states and 283 transitions. [2023-11-11 23:55:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 283 transitions. [2023-11-11 23:55:56,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-11 23:55:56,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:56,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-11 23:56:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 294 transitions. [2023-11-11 23:56:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 294 transitions. [2023-11-11 23:56:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-11 23:56:01,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:01,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-11 23:56:03,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 184 states and 297 transitions. [2023-11-11 23:56:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 297 transitions. [2023-11-11 23:56:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-11 23:56:03,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:03,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-11 23:56:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 192 states and 313 transitions. [2023-11-11 23:56:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 313 transitions. [2023-11-11 23:56:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-11 23:56:06,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:06,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-11 23:56:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 200 states and 324 transitions. [2023-11-11 23:56:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 324 transitions. [2023-11-11 23:56:08,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-11 23:56:08,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:08,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-11 23:56:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 202 states and 327 transitions. [2023-11-11 23:56:10,739 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 327 transitions. [2023-11-11 23:56:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-11 23:56:10,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:10,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked.