./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/recHanoi02-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/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_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/recHanoi02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/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 64bit --witnessprinter.graph.data.programhash fc483b08189ee3c98902d05e6dbaf5e8d67294309bb86f0f1cb0c68cd8f4471f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:41,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:41,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:43:41,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:43:41,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:43:41,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:41,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:41,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:41,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:41,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:41,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:41,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:41,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:43:41,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:41,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:41,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:41,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:41,828 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:43:41,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:43:41,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:41,829 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:41,829 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:41,830 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:41,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:41,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:41,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:41,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:41,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:41,833 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:43:41,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:43:41,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:41,835 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_c81f2051-dc8b-4533-bbdc-d861943693e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc483b08189ee3c98902d05e6dbaf5e8d67294309bb86f0f1cb0c68cd8f4471f [2023-11-11 23:43:42,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:42,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:42,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:42,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:42,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:42,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-numeric/recHanoi02-1.c [2023-11-11 23:43:45,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:45,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:45,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/sv-benchmarks/c/termination-numeric/recHanoi02-1.c [2023-11-11 23:43:45,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/data/0adc7ca1c/df9ce0a2e86d40c49c09fc494b3c3fb8/FLAGdb4bc8025 [2023-11-11 23:43:45,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/data/0adc7ca1c/df9ce0a2e86d40c49c09fc494b3c3fb8 [2023-11-11 23:43:45,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:45,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:45,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:45,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:45,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:45,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585eea1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45, skipping insertion in model container [2023-11-11 23:43:45,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:45,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:45,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:45,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:45,873 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:45,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45 WrapperNode [2023-11-11 23:43:45,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:45,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:45,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:45,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:45,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,905 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2023-11-11 23:43:45,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:45,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:45,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:45,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:45,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:45,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:45,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:45,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:45,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:45" (1/1) ... [2023-11-11 23:43:45,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:45,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:45,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:45,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c81f2051-dc8b-4533-bbdc-d861943693e6/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:43:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-11-11 23:43:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-11-11 23:43:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:43:46,097 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:46,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:43:46,331 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:43:46,363 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:43:46,363 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:43:46,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:46 BoogieIcfgContainer [2023-11-11 23:43:46,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:43:46,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:43:46,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:43:46,378 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:43:46,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:46" (1/1) ... [2023-11-11 23:43:46,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:43:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2023-11-11 23:43:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2023-11-11 23:43:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:43:46,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:46,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:46,702 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 23:43:46,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 30 transitions. [2023-11-11 23:43:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-11 23:43:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:43:46,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:46,886 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 23:43:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 35 transitions. [2023-11-11 23:43:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-11 23:43:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:43:47,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:47,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 40 transitions. [2023-11-11 23:43:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-11 23:43:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:43:47,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:47,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 34 transitions. [2023-11-11 23:43:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2023-11-11 23:43:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:43:47,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:47,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:47,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:43:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 40 transitions. [2023-11-11 23:43:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-11 23:43:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:43:47,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:47,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 45 transitions. [2023-11-11 23:43:48,325 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-11 23:43:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:43:48,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:43:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:48,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 46 transitions. [2023-11-11 23:43:48,374 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2023-11-11 23:43:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:43:48,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:48,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:43:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 47 transitions. [2023-11-11 23:43:48,423 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2023-11-11 23:43:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:43:48,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:48,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:43:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 48 transitions. [2023-11-11 23:43:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2023-11-11 23:43:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:43:48,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:48,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:48,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:48,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 53 transitions. [2023-11-11 23:43:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-11-11 23:43:48,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:43:48,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:48,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:43:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:49,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 59 transitions. [2023-11-11 23:43:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2023-11-11 23:43:49,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:43:49,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:49,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 64 transitions. [2023-11-11 23:43:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2023-11-11 23:43:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:43:49,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:49,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:43:50,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 70 transitions. [2023-11-11 23:43:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2023-11-11 23:43:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:43:50,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:50,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-11 23:43:50,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 69 transitions. [2023-11-11 23:43:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2023-11-11 23:43:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:43:50,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:50,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:43:51,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 68 transitions. [2023-11-11 23:43:51,006 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2023-11-11 23:43:51,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:43:51,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:51,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 73 transitions. [2023-11-11 23:43:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-11 23:43:51,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:43:51,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-11 23:43:52,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 65 transitions. [2023-11-11 23:43:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-11 23:43:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:43:52,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:52,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-11 23:43:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 73 transitions. [2023-11-11 23:43:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2023-11-11 23:43:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:43:52,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:52,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 72 states and 78 transitions. [2023-11-11 23:43:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2023-11-11 23:43:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:43:53,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:53,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 77 states and 83 transitions. [2023-11-11 23:43:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2023-11-11 23:43:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:43:54,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:54,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-11 23:43:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:55,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 84 states and 91 transitions. [2023-11-11 23:43:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2023-11-11 23:43:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:43:55,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:55,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 89 states and 96 transitions. [2023-11-11 23:43:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2023-11-11 23:43:55,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:43:55,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:55,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 101 transitions. [2023-11-11 23:43:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 101 transitions. [2023-11-11 23:43:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:43:56,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:56,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-11 23:43:57,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 101 states and 109 transitions. [2023-11-11 23:43:57,707 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2023-11-11 23:43:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:43:57,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:57,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 106 states and 114 transitions. [2023-11-11 23:43:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 114 transitions. [2023-11-11 23:43:58,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-11 23:43:58,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:58,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-11 23:43:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 113 states and 122 transitions. [2023-11-11 23:43:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2023-11-11 23:43:59,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:43:59,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:59,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:00,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:00,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 118 states and 127 transitions. [2023-11-11 23:44:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 127 transitions. [2023-11-11 23:44:00,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-11 23:44:00,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:00,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 123 states and 132 transitions. [2023-11-11 23:44:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2023-11-11 23:44:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-11 23:44:01,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:01,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-11 23:44:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 130 states and 140 transitions. [2023-11-11 23:44:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-11 23:44:02,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-11 23:44:02,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:02,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:04,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 135 states and 145 transitions. [2023-11-11 23:44:04,117 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2023-11-11 23:44:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-11 23:44:04,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:04,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 140 states and 150 transitions. [2023-11-11 23:44:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2023-11-11 23:44:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-11 23:44:05,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:05,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-11 23:44:06,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 147 states and 158 transitions. [2023-11-11 23:44:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2023-11-11 23:44:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-11 23:44:06,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 152 states and 163 transitions. [2023-11-11 23:44:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 163 transitions. [2023-11-11 23:44:08,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-11 23:44:08,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:08,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 157 states and 168 transitions. [2023-11-11 23:44:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 168 transitions. [2023-11-11 23:44:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-11 23:44:09,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:09,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-11 23:44:11,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 164 states and 176 transitions. [2023-11-11 23:44:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 176 transitions. [2023-11-11 23:44:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-11 23:44:11,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:11,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 169 states and 181 transitions. [2023-11-11 23:44:12,742 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 181 transitions. [2023-11-11 23:44:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-11 23:44:12,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:12,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-11 23:44:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 176 states and 189 transitions. [2023-11-11 23:44:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 189 transitions. [2023-11-11 23:44:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-11 23:44:14,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:14,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 181 states and 194 transitions. [2023-11-11 23:44:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 194 transitions. [2023-11-11 23:44:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-11 23:44:16,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:16,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 186 states and 199 transitions. [2023-11-11 23:44:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 199 transitions. [2023-11-11 23:44:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-11 23:44:17,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:18,028 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-11 23:44:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 193 states and 207 transitions. [2023-11-11 23:44:19,423 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 207 transitions. [2023-11-11 23:44:19,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-11 23:44:19,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:19,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:21,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 198 states and 212 transitions. [2023-11-11 23:44:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 212 transitions. [2023-11-11 23:44:21,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-11 23:44:21,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:21,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 1113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 203 states and 217 transitions. [2023-11-11 23:44:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 217 transitions. [2023-11-11 23:44:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-11 23:44:22,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:22,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 0 proven. 440 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-11-11 23:44:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 210 states and 225 transitions. [2023-11-11 23:44:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 225 transitions. [2023-11-11 23:44:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-11 23:44:24,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:24,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 215 states and 230 transitions. [2023-11-11 23:44:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 230 transitions. [2023-11-11 23:44:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-11 23:44:26,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:26,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 220 states and 235 transitions. [2023-11-11 23:44:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 235 transitions. [2023-11-11 23:44:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-11 23:44:28,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:28,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked.