./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array13_pattern.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_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/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_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array13_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/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_60303878-6f32-4569-b3b3-7d93524ee780/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 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:00,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:00,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:42:00,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:00,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:00,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:00,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:00,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:00,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:00,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:00,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:00,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:00,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:42:00,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:00,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:42:00,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:00,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:00,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:00,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:00,503 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:42:00,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:00,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:00,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:00,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:00,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:00,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:00,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:00,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:00,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:00,510 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:00,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:00,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:00,512 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_60303878-6f32-4569-b3b3-7d93524ee780/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e [2023-11-11 23:42:00,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:00,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:00,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:00,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:00,818 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:00,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-patterns/array13_pattern.c [2023-11-11 23:42:04,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:04,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:04,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/sv-benchmarks/c/array-patterns/array13_pattern.c [2023-11-11 23:42:04,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/data/974757219/21888b928b6146beba1cad377a6efec5/FLAGb7b8fd8df [2023-11-11 23:42:04,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/data/974757219/21888b928b6146beba1cad377a6efec5 [2023-11-11 23:42:04,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:04,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:04,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:04,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:04,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:04,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22950ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04, skipping insertion in model container [2023-11-11 23:42:04,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:04,692 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_60303878-6f32-4569-b3b3-7d93524ee780/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2023-11-11 23:42:04,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:04,747 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:04,762 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_60303878-6f32-4569-b3b3-7d93524ee780/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2023-11-11 23:42:04,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:04,817 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:04,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04 WrapperNode [2023-11-11 23:42:04,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:04,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:04,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:04,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:04,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,882 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2023-11-11 23:42:04,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:04,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:04,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:04,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:04,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:04,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:04,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:04,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:04,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:04" (1/1) ... [2023-11-11 23:42:04,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:04,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:04,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:04,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60303878-6f32-4569-b3b3-7d93524ee780/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:42:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:42:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:42:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:42:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:42:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:05,092 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:05,094 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:05,290 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:05,350 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:05,350 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:42:05,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:05 BoogieIcfgContainer [2023-11-11 23:42:05,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:42:05,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:42:05,355 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:42:05,366 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:42:05,367 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:05" (1/1) ... [2023-11-11 23:42:05,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:42:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-11 23:42:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-11 23:42:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:42:05,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:05,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:05,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:42:05,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:05,704 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 23:42:05,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:05,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-11 23:42:05,764 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-11 23:42:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:05,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:05,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:05,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:42:05,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:42:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-11 23:42:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-11 23:42:06,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:42:06,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:06,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:06,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:42:06,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:06,219 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:42:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-11 23:42:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-11 23:42:06,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:42:06,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:06,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:06,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:42:06,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:42:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:06,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-11 23:42:06,680 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-11 23:42:06,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:42:06,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:06,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:42:06,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:42:06,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-11 23:42:06,842 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-11 23:42:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:42:06,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:06,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:06,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-11 23:42:06,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:07,137 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:42:07,654 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2023-11-11 23:42:07,853 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-11 23:42:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:42:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 74 transitions. [2023-11-11 23:42:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2023-11-11 23:42:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:42:10,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:10,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:10,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:10,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:42:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 84 transitions. [2023-11-11 23:42:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2023-11-11 23:42:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:42:11,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:11,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:12,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:12,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:42:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2023-11-11 23:42:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2023-11-11 23:42:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:42:12,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:12,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:12,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:12,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:42:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 86 transitions. [2023-11-11 23:42:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2023-11-11 23:42:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:42:13,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:13,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:13,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:13,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:42:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 94 transitions. [2023-11-11 23:42:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2023-11-11 23:42:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:42:14,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:14,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:15,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:15,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:42:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 94 transitions. [2023-11-11 23:42:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2023-11-11 23:42:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:42:15,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:15,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:15,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:15,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:15,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:42:15,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:15,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 94 transitions. [2023-11-11 23:42:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 94 transitions. [2023-11-11 23:42:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:42:15,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:15,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:15,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:42:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 110 transitions. [2023-11-11 23:42:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2023-11-11 23:42:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:42:18,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:18,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:18,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:18,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:42:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 116 transitions. [2023-11-11 23:42:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 116 transitions. [2023-11-11 23:42:19,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:42:19,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:19,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:19,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-11 23:42:19,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:20,158 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:42:21,123 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-11 23:42:21,453 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-11 23:42:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:42:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 76 states and 137 transitions. [2023-11-11 23:42:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 137 transitions. [2023-11-11 23:42:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:42:24,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:24,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:24,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:42:24,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:42:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 116 transitions. [2023-11-11 23:42:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 116 transitions. [2023-11-11 23:42:25,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:42:25,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:25,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:25,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-11 23:42:25,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:26,114 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:42:26,308 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-11 23:42:26,822 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:42:26,823 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-11 23:42:26,997 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:42:26,997 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-11 23:42:28,567 INFO L322 Elim1Store]: treesize reduction 164, result has 23.0 percent of original size [2023-11-11 23:42:28,568 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 109 treesize of output 104 [2023-11-11 23:42:30,255 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:42:30,256 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 20 [2023-11-11 23:42:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:42:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 93 states and 155 transitions. [2023-11-11 23:42:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2023-11-11 23:42:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:42:41,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:41,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:41,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-11 23:42:41,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:41,700 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-11 23:42:41,940 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-11 23:42:42,654 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:42:42,655 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-11 23:42:42,897 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-11 23:42:42,898 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44