./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array23_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC --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 e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:23,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:24,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:10:24,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:24,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:24,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:24,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:24,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:24,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:24,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:24,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:24,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:24,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:24,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:24,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:24,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:24,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:24,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:24,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:24,103 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:24,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:24,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:24,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:24,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:24,106 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:24,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:24,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:24,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:24,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:24,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:24,110 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:24,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:24,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:24,111 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_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2023-11-23 20:10:24,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:24,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:24,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:24,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:24,541 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:24,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-patterns/array23_pattern.c [2023-11-23 20:10:27,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:27,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:27,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/sv-benchmarks/c/array-patterns/array23_pattern.c [2023-11-23 20:10:27,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/data/29db51184/3b3a5de334254ee682c904152e5cc154/FLAGd47c00f45 [2023-11-23 20:10:27,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/data/29db51184/3b3a5de334254ee682c904152e5cc154 [2023-11-23 20:10:27,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:27,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:27,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:27,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:27,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:27,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:27,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140cd6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:27, skipping insertion in model container [2023-11-23 20:10:27,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:27" (1/1) ... [2023-11-23 20:10:27,876 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:28,025 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_634a7c1c-380d-4460-b542-4dbaaa4d7eba/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2023-11-23 20:10:28,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:28,061 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:28,073 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_634a7c1c-380d-4460-b542-4dbaaa4d7eba/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2023-11-23 20:10:28,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:28,104 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:28,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28 WrapperNode [2023-11-23 20:10:28,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:28,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:28,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:28,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:28,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,154 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-23 20:10:28,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:28,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:28,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:28,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:28,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:28,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:28,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:28,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:28,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:28,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:28,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:28,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634a7c1c-380d-4460-b542-4dbaaa4d7eba/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2023-11-23 20:10:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2023-11-23 20:10:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:10:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:10:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:10:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:10:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:28,407 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:28,409 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:28,738 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:28,885 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:28,885 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 20:10:28,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:28 BoogieIcfgContainer [2023-11-23 20:10:28,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:28,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:28,890 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:28,900 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:28,900 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:28" (1/1) ... [2023-11-23 20:10:28,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:28,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2023-11-23 20:10:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-23 20:10:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:10:28,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:28,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:29,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:10:29,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-23 20:10:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-23 20:10:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:10:29,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:29,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:29,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:10:29,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:10:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-23 20:10:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-23 20:10:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:10:29,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:29,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:29,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:10:29,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:29,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-11-23 20:10:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-11-23 20:10:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:10:29,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:29,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:29,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:10:29,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2023-11-23 20:10:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2023-11-23 20:10:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:10:30,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:30,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:30,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:10:30,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:10:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2023-11-23 20:10:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2023-11-23 20:10:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:10:31,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:31,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:31,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:10:31,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:10:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2023-11-23 20:10:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2023-11-23 20:10:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:10:31,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:31,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:31,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:10:31,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2023-11-23 20:10:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2023-11-23 20:10:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:10:32,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:32,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:32,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:10:32,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2023-11-23 20:10:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2023-11-23 20:10:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:10:32,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:32,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:33,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:10:33,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:10:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-11-23 20:10:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-23 20:10:33,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:10:33,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:33,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:33,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:10:34,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:10:35,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2023-11-23 20:10:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2023-11-23 20:10:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:10:35,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:10:35,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:10:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2023-11-23 20:10:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2023-11-23 20:10:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:10:35,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:10:35,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:35,758 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:10:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2023-11-23 20:10:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2023-11-23 20:10:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:10:35,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:10:36,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:10:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 91 transitions. [2023-11-23 20:10:37,265 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2023-11-23 20:10:37,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:10:37,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:37,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:10:37,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:10:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2023-11-23 20:10:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2023-11-23 20:10:37,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:10:37,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:37,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:37,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:10:37,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:10:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 96 transitions. [2023-11-23 20:10:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2023-11-23 20:10:38,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:10:38,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:38,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:39,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:10:39,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:10:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2023-11-23 20:10:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2023-11-23 20:10:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:10:39,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:39,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:40,024 WARN L260 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 102 conjunts are in the unsatisfiable core [2023-11-23 20:10:40,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:10:40,561 INFO L378 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 [2023-11-23 20:10:40,698 INFO L378 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 [2023-11-23 20:10:41,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:10:41,142 INFO L378 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 [2023-11-23 20:10:41,309 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:10:41,310 INFO L378 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 [2023-11-23 20:10:43,625 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-23 20:10:43,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-23 20:10:45,630 INFO L378 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 148 treesize of output 126 [2023-11-23 20:10:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:10:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:10:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:10:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:10:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:10:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:10:45,707 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-23 20:10:45,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-23 20:10:45,873 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:10:45,878 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2023-11-23 20:10:49,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:10:49,095 INFO L378 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 149 treesize of output 69 [2023-11-23 20:10:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:01,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 77 states and 137 transitions. [2023-11-23 20:11:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 137 transitions. [2023-11-23 20:11:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:11:01,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:01,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:02,493 WARN L260 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-23 20:11:02,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:02,564 INFO L378 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 [2023-11-23 20:11:02,596 INFO L378 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 [2023-11-23 20:11:02,678 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:02,679 INFO L378 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 [2023-11-23 20:11:02,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:02,718 INFO L378 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 [2023-11-23 20:11:03,661 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-23 20:11:03,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-23 20:11:04,589 INFO L378 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 148 treesize of output 126 [2023-11-23 20:11:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,650 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-23 20:11:04,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-23 20:11:04,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:04,859 INFO L349 Elim1Store]: treesize reduction 144, result has 37.1 percent of original size [2023-11-23 20:11:04,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 137 treesize of output 171 [2023-11-23 20:11:06,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:06,201 INFO L378 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 149 treesize of output 69 [2023-11-23 20:11:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 91 states and 166 transitions. [2023-11-23 20:11:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 166 transitions. [2023-11-23 20:11:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:11:13,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:14,037 WARN L260 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 105 conjunts are in the unsatisfiable core [2023-11-23 20:11:14,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:11:14,092 INFO L378 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 [2023-11-23 20:11:14,124 INFO L378 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 [2023-11-23 20:11:14,207 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:14,207 INFO L378 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 [2023-11-23 20:11:14,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:11:14,240 INFO L378 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 [2023-11-23 20:11:15,183 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-23 20:11:15,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-23 20:11:16,005 INFO L378 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 148 treesize of output 126 [2023-11-23 20:11:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,060 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-23 20:11:16,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-23 20:11:16,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-23 20:11:16,246 INFO L190 IndexEqualityManager]: detected not equals via solver