./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array4_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array4_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi --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 51462516d41bb1edc1c2003475b488124e11e4eb166822052c5d908cea262957 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:10,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:10,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:18:10,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:10,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:10,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:10,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:10,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:10,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:10,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:10,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:10,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:10,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:10,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:10,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:10,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:10,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:10,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:10,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:10,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:10,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:10,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:10,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:10,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:10,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:10,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:10,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:10,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:10,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:10,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:10,369 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:10,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:10,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:10,370 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_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51462516d41bb1edc1c2003475b488124e11e4eb166822052c5d908cea262957 [2023-11-24 22:18:10,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:10,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:10,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:10,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:10,708 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:10,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-patterns/array4_pattern.c [2023-11-24 22:18:13,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:14,023 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:14,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/sv-benchmarks/c/array-patterns/array4_pattern.c [2023-11-24 22:18:14,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/data/b9371abaa/4cb4f907483f4031bf23a3325f455068/FLAGb9d9d32a5 [2023-11-24 22:18:14,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/data/b9371abaa/4cb4f907483f4031bf23a3325f455068 [2023-11-24 22:18:14,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:14,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:14,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:14,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:14,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:14,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5796f7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14, skipping insertion in model container [2023-11-24 22:18:14,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:14,307 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_a81989df-9071-4d8b-945a-e571723fc965/sv-benchmarks/c/array-patterns/array4_pattern.c[1835,1848] [2023-11-24 22:18:14,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:14,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:14,359 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_a81989df-9071-4d8b-945a-e571723fc965/sv-benchmarks/c/array-patterns/array4_pattern.c[1835,1848] [2023-11-24 22:18:14,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:14,385 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:14,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14 WrapperNode [2023-11-24 22:18:14,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:14,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:14,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:14,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:14,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,425 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-11-24 22:18:14,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:14,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:14,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:14,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:14,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:14,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:14,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:14,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:14,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:14,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:14,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:14,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81989df-9071-4d8b-945a-e571723fc965/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:18:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:18:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:18:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:18:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:14,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:18:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:18:14,619 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:14,621 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:14,882 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:14,946 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:14,947 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:18:14,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:14 BoogieIcfgContainer [2023-11-24 22:18:14,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:14,950 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:14,950 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:14,961 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:14,961 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-24 22:18:15,032 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-24 22:18:15,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:18:15,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:15,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-24 22:18:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-24 22:18:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:18:15,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:15,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:15,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:18:15,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:18:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 24 states and 33 transitions. [2023-11-24 22:18:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-24 22:18:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:18:15,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:15,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:15,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:18:15,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:18:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 55 transitions. [2023-11-24 22:18:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2023-11-24 22:18:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:18:16,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:16,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:16,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-24 22:18:16,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:16,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-24 22:18:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:18:16,728 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 14 treesize of output 14 [2023-11-24 22:18:16,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2023-11-24 22:18:17,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-24 22:18:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:18:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 40 states and 64 transitions. [2023-11-24 22:18:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-24 22:18:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:18:20,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:20,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:18:20,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:18:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 86 transitions. [2023-11-24 22:18:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2023-11-24 22:18:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:18:22,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:22,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:22,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:18:22,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:18:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 99 transitions. [2023-11-24 22:18:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2023-11-24 22:18:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:18:24,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:24,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:24,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-24 22:18:24,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:24,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-24 22:18:24,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-24 22:18:25,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-24 22:18:27,703 INFO L349 Elim1Store]: treesize reduction 52, result has 46.4 percent of original size [2023-11-24 22:18:27,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 77 [2023-11-24 22:18:28,425 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2023-11-24 22:18:28,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 90 treesize of output 46 [2023-11-24 22:18:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:18:35,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:35,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 72 states and 126 transitions. [2023-11-24 22:18:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2023-11-24 22:18:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:18:35,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:35,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:35,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-24 22:18:35,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:35,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-24 22:18:35,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-24 22:18:35,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-24 22:18:37,256 INFO L349 Elim1Store]: treesize reduction 52, result has 46.4 percent of original size [2023-11-24 22:18:37,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 77 [2023-11-24 22:18:37,567 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2023-11-24 22:18:37,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 90 treesize of output 46 [2023-11-24 22:18:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:18:40,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 81 states and 143 transitions. [2023-11-24 22:18:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 143 transitions. [2023-11-24 22:18:40,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:18:40,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:40,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:40,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:18:40,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:18:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 94 states and 173 transitions. [2023-11-24 22:18:46,461 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 173 transitions. [2023-11-24 22:18:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:18:46,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:46,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:46,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:18:46,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:18:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 102 states and 189 transitions. [2023-11-24 22:18:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 189 transitions. [2023-11-24 22:18:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:18:50,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:50,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:50,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:18:50,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:18:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 103 states and 193 transitions. [2023-11-24 22:18:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2023-11-24 22:18:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:18:51,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:51,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:51,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:18:51,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:18:57,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 113 states and 209 transitions. [2023-11-24 22:18:57,560 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2023-11-24 22:18:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:18:57,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:57,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:57,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:18:57,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:18:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:58,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 114 states and 210 transitions. [2023-11-24 22:18:58,722 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2023-11-24 22:18:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:18:58,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:58,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:58,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:18:58,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:18:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:19:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 122 states and 219 transitions. [2023-11-24 22:19:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2023-11-24 22:19:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:19:01,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:01,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:01,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-24 22:19:01,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:01,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-24 22:19:01,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-24 22:19:01,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-24 22:19:01,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2023-11-24 22:19:07,293 INFO L349 Elim1Store]: treesize reduction 78, result has 46.2 percent of original size [2023-11-24 22:19:07,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 105 [2023-11-24 22:19:09,400 INFO L349 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2023-11-24 22:19:09,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 164 treesize of output 80 [2023-11-24 22:19:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.