./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/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_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/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_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:24,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:24,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:27:24,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:24,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:24,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:24,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:24,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:24,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:24,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:24,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:24,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:24,214 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:24,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:24,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:24,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:24,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:24,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:24,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:24,217 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:24,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:24,219 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:24,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:24,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:24,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:24,220 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:24,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:24,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:24,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:24,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:24,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:24,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:24,224 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:24,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:24,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:24,225 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_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2023-11-23 20:27:24,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:24,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:24,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:24,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:24,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:24,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-23 20:27:27,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:28,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:28,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2023-11-23 20:27:28,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/data/77e7dedf4/058da17f22b9402dbc54b0ef137f54bd/FLAG040fa4c68 [2023-11-23 20:27:28,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/data/77e7dedf4/058da17f22b9402dbc54b0ef137f54bd [2023-11-23 20:27:28,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:28,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:28,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:28,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:28,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:28,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ef13d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28, skipping insertion in model container [2023-11-23 20:27:28,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:28,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:28,765 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:28,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:28,821 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:28,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28 WrapperNode [2023-11-23 20:27:28,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:28,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:28,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:28,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:28,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,883 INFO L138 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 195 [2023-11-23 20:27:28,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:28,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:28,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:28,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:28,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:28,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:28,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:28,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:28,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:28" (1/1) ... [2023-11-23 20:27:28,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:28,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:28,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:28,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87b3cd7-e2d6-413f-a7c6-46fbedbcbabe/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:27:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:27:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:27:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:27:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:27:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:27:29,120 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:29,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:29,544 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:29,631 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:29,632 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-23 20:27:29,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:29 BoogieIcfgContainer [2023-11-23 20:27:29,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:29,635 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:29,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:29,649 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:29,649 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:29" (1/1) ... [2023-11-23 20:27:29,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2023-11-23 20:27:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-23 20:27:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:27:29,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:29,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:30,079 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 20:27:30,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 82 states and 96 transitions. [2023-11-23 20:27:30,137 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2023-11-23 20:27:30,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:27:30,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:30,224 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 20:27:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 83 states and 97 transitions. [2023-11-23 20:27:30,248 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2023-11-23 20:27:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:27:30,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 85 states and 100 transitions. [2023-11-23 20:27:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2023-11-23 20:27:30,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:30,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2023-11-23 20:27:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2023-11-23 20:27:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:27:30,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:31,040 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 20:27:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 85 states and 100 transitions. [2023-11-23 20:27:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2023-11-23 20:27:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:27:31,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:27:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2023-11-23 20:27:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2023-11-23 20:27:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:27:31,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:31,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:27:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 77 transitions. [2023-11-23 20:27:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2023-11-23 20:27:32,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:27:32,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:32,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:27:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 69 states and 80 transitions. [2023-11-23 20:27:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-23 20:27:32,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:27:32,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:32,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:27:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 81 transitions. [2023-11-23 20:27:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-23 20:27:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:32,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:32,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 84 transitions. [2023-11-23 20:27:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2023-11-23 20:27:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:27:33,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:33,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:33,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 87 transitions. [2023-11-23 20:27:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2023-11-23 20:27:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:33,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:33,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:34,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:34,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 90 transitions. [2023-11-23 20:27:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 20:27:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:34,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:34,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 82 states and 93 transitions. [2023-11-23 20:27:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-11-23 20:27:35,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:35,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:35,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 85 states and 96 transitions. [2023-11-23 20:27:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-11-23 20:27:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:27:36,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:36,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:37,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:37,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 99 transitions. [2023-11-23 20:27:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-23 20:27:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:27:37,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:37,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:38,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:38,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 91 states and 102 transitions. [2023-11-23 20:27:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2023-11-23 20:27:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:27:38,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:38,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:40,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 105 transitions. [2023-11-23 20:27:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2023-11-23 20:27:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:27:40,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:40,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 108 transitions. [2023-11-23 20:27:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 108 transitions. [2023-11-23 20:27:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:41,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:43,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 100 states and 111 transitions. [2023-11-23 20:27:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 111 transitions. [2023-11-23 20:27:43,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:43,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 103 states and 114 transitions. [2023-11-23 20:27:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 114 transitions. [2023-11-23 20:27:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:27:44,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,995 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 106 states and 117 transitions. [2023-11-23 20:27:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-23 20:27:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:27:45,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:45,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 109 states and 120 transitions. [2023-11-23 20:27:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2023-11-23 20:27:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:27:47,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 112 states and 123 transitions. [2023-11-23 20:27:48,846 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2023-11-23 20:27:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:48,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:48,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 115 states and 126 transitions. [2023-11-23 20:27:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 126 transitions. [2023-11-23 20:27:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:27:50,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 118 states and 129 transitions. [2023-11-23 20:27:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 129 transitions. [2023-11-23 20:27:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:27:52,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 121 states and 132 transitions. [2023-11-23 20:27:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2023-11-23 20:27:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:27:53,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:53,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 124 states and 135 transitions. [2023-11-23 20:27:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 135 transitions. [2023-11-23 20:27:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:27:55,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:55,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 127 states and 138 transitions. [2023-11-23 20:27:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2023-11-23 20:27:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:27:57,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:57,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 130 states and 141 transitions. [2023-11-23 20:27:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2023-11-23 20:27:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:27:59,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:59,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:01,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 133 states and 144 transitions. [2023-11-23 20:28:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-23 20:28:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:28:01,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:02,302 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:03,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 136 states and 147 transitions. [2023-11-23 20:28:03,533 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-23 20:28:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:28:03,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:05,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 139 states and 150 transitions. [2023-11-23 20:28:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 150 transitions. [2023-11-23 20:28:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 20:28:05,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:05,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 925 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:08,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:08,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 142 states and 153 transitions. [2023-11-23 20:28:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2023-11-23 20:28:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 20:28:08,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:08,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 1001 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:28:10,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:10,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 145 states and 156 transitions. [2023-11-23 20:28:10,602 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 156 transitions. [2023-11-23 20:28:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 20:28:10,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:10,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat