./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC --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 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:00,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:01,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:01,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:01,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:01,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:01,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:01,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:01,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:01,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:01,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:01,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:01,193 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:01,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:01,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:01,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:01,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:01,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:01,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:01,199 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:01,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:01,201 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:01,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:01,202 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:01,203 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:01,204 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:01,204 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:01,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:01,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:01,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:01,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:01,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:01,209 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:01,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:01,210 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:01,210 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_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 [2023-11-23 20:11:01,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:01,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:01,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:01,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:01,663 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:01,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2023-11-23 20:11:05,147 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:05,393 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:05,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2023-11-23 20:11:05,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/data/6410963c8/22763da078d14ed5bcc7970875ddc89f/FLAGfdae6b0a5 [2023-11-23 20:11:05,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/data/6410963c8/22763da078d14ed5bcc7970875ddc89f [2023-11-23 20:11:05,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:05,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:05,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:05,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:05,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:05,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2829df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05, skipping insertion in model container [2023-11-23 20:11:05,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:05,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:05,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:05,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:05,740 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:05,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05 WrapperNode [2023-11-23 20:11:05,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:05,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:05,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:05,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:05,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,816 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-23 20:11:05,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:05,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:05,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:05,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:05,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:05,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:05,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:05,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:05,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:05" (1/1) ... [2023-11-23 20:11:05,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:05,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:05,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:05,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68424223-f37e-4cd6-9cef-e880cb74792e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:11:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:11:06,080 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:06,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:06,432 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:06,515 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:06,516 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:11:06,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:06 BoogieIcfgContainer [2023-11-23 20:11:06,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:06,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:06,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:06,533 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:06,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:06" (1/1) ... [2023-11-23 20:11:06,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:11:06,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2023-11-23 20:11:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2023-11-23 20:11:06,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:11:06,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:06,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:07,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions. [2023-11-23 20:11:07,079 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2023-11-23 20:11:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:11:07,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2023-11-23 20:11:07,352 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2023-11-23 20:11:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:11:07,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:11:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2023-11-23 20:11:07,530 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2023-11-23 20:11:07,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:11:07,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2023-11-23 20:11:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2023-11-23 20:11:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:11:07,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:07,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2023-11-23 20:11:07,819 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2023-11-23 20:11:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:11:07,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2023-11-23 20:11:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2023-11-23 20:11:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:11:07,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:07,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:08,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2023-11-23 20:11:08,029 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2023-11-23 20:11:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:11:08,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2023-11-23 20:11:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2023-11-23 20:11:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:11:08,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2023-11-23 20:11:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2023-11-23 20:11:08,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:11:08,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2023-11-23 20:11:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-11-23 20:11:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:11:08,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2023-11-23 20:11:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2023-11-23 20:11:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:08,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-23 20:11:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-23 20:11:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:11:08,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:11:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-23 20:11:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-23 20:11:08,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:11:08,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:08,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-23 20:11:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-23 20:11:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:11:09,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:11:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2023-11-23 20:11:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-11-23 20:11:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:11:09,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:11:09,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-11-23 20:11:09,511 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-23 20:11:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:11:09,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-11-23 20:11:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-23 20:11:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:11:09,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-11-23 20:11:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-23 20:11:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:11:09,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:09,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:11:10,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2023-11-23 20:11:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2023-11-23 20:11:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:11:10,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:10,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:10,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-11-23 20:11:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-23 20:11:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:11:10,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:10,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-23 20:11:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-23 20:11:10,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:10,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-23 20:11:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-23 20:11:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:11:11,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2023-11-23 20:11:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2023-11-23 20:11:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:11:11,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2023-11-23 20:11:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2023-11-23 20:11:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:11:12,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:12,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2023-11-23 20:11:13,251 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2023-11-23 20:11:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:11:13,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:14,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2023-11-23 20:11:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2023-11-23 20:11:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:11:14,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:14,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:15,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2023-11-23 20:11:15,077 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2023-11-23 20:11:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:11:15,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:15,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2023-11-23 20:11:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2023-11-23 20:11:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:11:15,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:15,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2023-11-23 20:11:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2023-11-23 20:11:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:11:17,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:17,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 76 states and 81 transitions. [2023-11-23 20:11:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2023-11-23 20:11:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:11:18,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:19,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2023-11-23 20:11:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2023-11-23 20:11:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:11:19,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:19,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 82 states and 87 transitions. [2023-11-23 20:11:20,259 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2023-11-23 20:11:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:11:20,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:20,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 85 states and 90 transitions. [2023-11-23 20:11:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-11-23 20:11:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:11:21,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:21,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 88 states and 93 transitions. [2023-11-23 20:11:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2023-11-23 20:11:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:11:22,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:22,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 91 states and 96 transitions. [2023-11-23 20:11:24,251 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2023-11-23 20:11:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:11:24,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:24,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 94 states and 99 transitions. [2023-11-23 20:11:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2023-11-23 20:11:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:11:25,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:25,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:26,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 97 states and 102 transitions. [2023-11-23 20:11:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2023-11-23 20:11:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:11:26,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:26,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 100 states and 105 transitions. [2023-11-23 20:11:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2023-11-23 20:11:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:11:28,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:28,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:29,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:29,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 103 states and 108 transitions. [2023-11-23 20:11:29,806 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2023-11-23 20:11:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 20:11:29,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:30,529 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 106 states and 111 transitions. [2023-11-23 20:11:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2023-11-23 20:11:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:11:31,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 109 states and 114 transitions. [2023-11-23 20:11:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2023-11-23 20:11:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:11:32,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:32,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 112 states and 117 transitions. [2023-11-23 20:11:34,740 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2023-11-23 20:11:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 20:11:34,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:34,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 0 proven. 925 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 115 states and 120 transitions. [2023-11-23 20:11:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2023-11-23 20:11:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 20:11:36,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 0 proven. 1001 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 118 states and 123 transitions. [2023-11-23 20:11:38,596 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2023-11-23 20:11:38,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:11:38,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:38,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 121 states and 126 transitions. [2023-11-23 20:11:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2023-11-23 20:11:40,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 20:11:40,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 0 proven. 1162 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 124 states and 129 transitions. [2023-11-23 20:11:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2023-11-23 20:11:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 20:11:42,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:42,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1247 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:11:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:44,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2023-11-23 20:11:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2023-11-23 20:11:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 20:11:44,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:44,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat