./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:25,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:25,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:46:25,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:25,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:25,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:25,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:25,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:25,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:25,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:25,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:25,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:25,488 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:25,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:25,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:25,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:25,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:25,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:25,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:25,499 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:25,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:25,500 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:25,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:25,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:25,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:25,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:25,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:25,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:25,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:25,504 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:25,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:25,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:25,506 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_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cea92a885059765321ed7cf859cc3b638b98fdf9848e92fde0851dbffef1cf19 [2023-11-11 23:46:25,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:25,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:25,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:25,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:25,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:25,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2023-11-11 23:46:29,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:29,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:29,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c [2023-11-11 23:46:29,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/data/60d8fb60d/cbc9291c19a44c0391f4924a950617d1/FLAG6de0ae79f [2023-11-11 23:46:29,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/data/60d8fb60d/cbc9291c19a44c0391f4924a950617d1 [2023-11-11 23:46:29,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:29,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:29,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:29,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:29,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:29,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba057fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29, skipping insertion in model container [2023-11-11 23:46:29,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:29,804 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2023-11-11 23:46:29,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:29,824 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:29,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/sv-benchmarks/c/loop-new/gauss_sum.i.p+cfa-reducer.c[1014,1027] [2023-11-11 23:46:29,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:29,863 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:29,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29 WrapperNode [2023-11-11 23:46:29,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:29,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:29,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:29,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:29,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,903 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-11 23:46:29,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:29,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:29,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:29,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:29,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:29,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:29,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:29,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:29,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:29" (1/1) ... [2023-11-11 23:46:29,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:29,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:29,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:29,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f223730-792f-457b-9d21-7f560451d8a9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:30,098 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:30,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:30,237 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:30,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:30,257 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:46:30,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:30 BoogieIcfgContainer [2023-11-11 23:46:30,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:30,262 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:30,262 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:30,274 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:30,274 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:30" (1/1) ... [2023-11-11 23:46:30,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-11 23:46:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-11 23:46:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:46:30,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:30,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:30,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:46:30,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-11 23:46:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-11 23:46:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:46:30,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:30,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:30,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-11 23:46:30,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-11 23:46:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-11 23:46:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:46:31,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:31,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:31,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:46:31,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-11 23:46:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-11 23:46:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:46:31,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:31,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-11 23:46:31,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2023-11-11 23:46:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2023-11-11 23:46:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:46:32,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:32,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:32,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-11 23:46:32,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:33,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2023-11-11 23:46:33,309 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2023-11-11 23:46:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:46:33,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:33,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:33,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-11 23:46:33,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2023-11-11 23:46:34,222 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2023-11-11 23:46:34,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:46:34,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:34,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:34,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-11 23:46:34,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2023-11-11 23:46:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2023-11-11 23:46:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:46:35,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:35,166 WARN L260 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-11 23:46:35,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2023-11-11 23:46:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2023-11-11 23:46:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:46:36,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:36,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:36,083 WARN L260 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-11 23:46:36,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:37,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-11-11 23:46:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-11-11 23:46:37,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:46:37,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:37,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:37,118 WARN L260 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-11 23:46:37,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-11 23:46:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-11 23:46:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:46:39,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:39,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:39,204 WARN L260 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-11 23:46:39,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2023-11-11 23:46:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2023-11-11 23:46:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:46:40,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:40,618 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-11 23:46:40,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:40,833 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2023-11-11 23:46:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-11-11 23:46:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:46:41,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:41,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:41,898 WARN L260 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-11 23:46:41,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2023-11-11 23:46:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2023-11-11 23:46:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:46:43,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:43,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:43,280 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-11 23:46:43,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:44,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-11 23:46:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-11 23:46:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:46:44,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:44,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:44,910 WARN L260 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-11 23:46:44,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2023-11-11 23:46:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2023-11-11 23:46:46,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:46:46,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:46,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:46,629 WARN L260 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-11 23:46:46,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2023-11-11 23:46:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2023-11-11 23:46:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:46:49,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:49,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:49,698 WARN L260 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-11 23:46:49,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:51,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-11-11 23:46:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-11 23:46:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:46:51,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:51,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:51,842 WARN L260 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-11 23:46:51,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2023-11-11 23:46:54,005 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2023-11-11 23:46:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:46:54,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:54,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:54,054 WARN L260 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-11 23:46:54,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2023-11-11 23:46:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2023-11-11 23:46:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:46:56,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:56,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:56,602 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 87 conjunts are in the unsatisfiable core [2023-11-11 23:46:56,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:46:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2023-11-11 23:46:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2023-11-11 23:46:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:46:59,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:59,295 WARN L260 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-11 23:46:59,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:46:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2023-11-11 23:47:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2023-11-11 23:47:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:47:01,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:01,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:01,826 WARN L260 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-11 23:47:01,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2023-11-11 23:47:04,654 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2023-11-11 23:47:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:47:04,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:04,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:04,719 WARN L260 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-11 23:47:04,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2023-11-11 23:47:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2023-11-11 23:47:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:47:07,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:07,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:07,569 WARN L260 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-11 23:47:07,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2023-11-11 23:47:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2023-11-11 23:47:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:47:10,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:10,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:10,662 WARN L260 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-11 23:47:10,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:13,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2023-11-11 23:47:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2023-11-11 23:47:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:47:13,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:13,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:13,880 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-11 23:47:13,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2023-11-11 23:47:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2023-11-11 23:47:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:47:17,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:17,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:17,191 WARN L260 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-11 23:47:17,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:47:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:20,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2023-11-11 23:47:20,623 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2023-11-11 23:47:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:47:20,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:20,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:20,703 WARN L260 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-11 23:47:20,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:47:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.