./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array21_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL --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 f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:54,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:54,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:54,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:54,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:54,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:54,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:54,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:54,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:54,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:54,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:54,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:54,501 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:54,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:54,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:54,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:54,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:54,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:54,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:54,505 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:54,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:54,506 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:54,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:54,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:54,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:54,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:54,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:54,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:54,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:54,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:54,511 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:54,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:54,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:54,512 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_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2023-11-19 02:52:54,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:54,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:54,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:54,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:54,870 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:54,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2023-11-19 02:52:57,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:58,101 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:58,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/sv-benchmarks/c/array-patterns/array21_pattern.c [2023-11-19 02:52:58,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/data/6d04f7806/063caae27a334bcba2f6b648eda188f7/FLAG0b2b28b5e [2023-11-19 02:52:58,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/data/6d04f7806/063caae27a334bcba2f6b648eda188f7 [2023-11-19 02:52:58,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:58,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:58,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:58,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:58,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:58,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7746225d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58, skipping insertion in model container [2023-11-19 02:52:58,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:58,301 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_3566de87-255c-4c4f-98ed-04fdd4cde230/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2023-11-19 02:52:58,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:58,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:58,348 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_3566de87-255c-4c4f-98ed-04fdd4cde230/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2023-11-19 02:52:58,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:58,376 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:58,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58 WrapperNode [2023-11-19 02:52:58,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:58,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:58,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:58,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:58,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,421 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-19 02:52:58,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:58,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:58,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:58,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:58,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:58,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:58,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:58,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:58,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:58,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:58,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:58,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3566de87-255c-4c4f-98ed-04fdd4cde230/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2023-11-19 02:52:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2023-11-19 02:52:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:52:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:52:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:52:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:52:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:52:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:52:58,609 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:58,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:58,822 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:58,916 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:58,918 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 02:52:58,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:58 BoogieIcfgContainer [2023-11-19 02:52:58,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:58,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:58,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:58,935 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:58,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:58" (1/1) ... [2023-11-19 02:52:58,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-19 02:52:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-19 02:52:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:52:59,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:59,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:59,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:52:59,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-19 02:52:59,249 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-19 02:52:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:52:59,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:59,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:52:59,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:52:59,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-19 02:52:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-19 02:52:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:52:59,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:59,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:59,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:52:59,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:52:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:59,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-19 02:52:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-19 02:52:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:52:59,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:59,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:59,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:52:59,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:00,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-19 02:53:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-19 02:53:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:53:00,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:00,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:00,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:00,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:00,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:00,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-19 02:53:00,402 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-19 02:53:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:53:00,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:00,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:00,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:00,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:53:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:00,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 61 transitions. [2023-11-19 02:53:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-19 02:53:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:53:00,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:00,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:00,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:53:00,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:53:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 64 transitions. [2023-11-19 02:53:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-11-19 02:53:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:53:00,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:00,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:01,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:53:01,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:53:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 67 transitions. [2023-11-19 02:53:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2023-11-19 02:53:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:53:01,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:01,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:01,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:53:01,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:53:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 73 transitions. [2023-11-19 02:53:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-19 02:53:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:53:02,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:02,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:53:02,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:53:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2023-11-19 02:53:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2023-11-19 02:53:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:53:03,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:03,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:53:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2023-11-19 02:53:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2023-11-19 02:53:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:53:03,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:53:03,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:53:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2023-11-19 02:53:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-19 02:53:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:53:03,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:03,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:03,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 02:53:04,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:04,178 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 [2023-11-19 02:53:04,277 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 23 treesize of output 11 [2023-11-19 02:53:04,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:04,588 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 0 case distinctions, treesize of input 34 treesize of output 21 [2023-11-19 02:53:04,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:04,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:04,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:04,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:04,717 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 39 treesize of output 44 [2023-11-19 02:53:05,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:05,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:05,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:05,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:06,045 INFO L349 Elim1Store]: treesize reduction 72, result has 48.9 percent of original size [2023-11-19 02:53:06,046 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 54 treesize of output 96 [2023-11-19 02:53:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:10,304 INFO L349 Elim1Store]: treesize reduction 152, result has 29.3 percent of original size [2023-11-19 02:53:10,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 220 treesize of output 126 [2023-11-19 02:53:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:53:26,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-19 02:53:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 74 states and 126 transitions. [2023-11-19 02:53:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 126 transitions. [2023-11-19 02:53:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:53:37,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:37,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:37,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 02:53:37,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:37,577 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 [2023-11-19 02:53:37,743 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 [2023-11-19 02:53:38,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:38,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:38,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:38,297 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 28 treesize of output 30 [2023-11-19 02:53:38,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:38,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:38,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:53:38,493 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 39 treesize of output 44 [2023-11-19 02:53:41,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:41,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:41,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:41,856 INFO L349 Elim1Store]: treesize reduction 72, result has 48.9 percent of original size [2023-11-19 02:53:41,856 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 54 treesize of output 96 [2023-11-19 02:53:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:49,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:53:49,320 INFO L349 Elim1Store]: treesize reduction 152, result has 29.3 percent of original size [2023-11-19 02:53:49,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 276 treesize of output 176 [2023-11-19 02:53:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.