./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array18_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array18_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9 --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 4d58909a91b196e39d7623dd2e1e4d9b2698d6fa8ff06c2897eb5762e2e2e408 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:42:55,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:42:55,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:42:55,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:42:55,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:42:55,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:42:55,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:42:55,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:42:55,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:42:55,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:42:55,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:42:55,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:42:55,909 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:42:55,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:42:55,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:42:55,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:42:55,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:42:55,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:42:55,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:42:55,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:42:55,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:42:55,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:42:55,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:42:55,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:42:55,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:42:55,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:42:55,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:42:55,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:42:55,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:42:55,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:42:55,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:42:55,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:42:55,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:42:55,919 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_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d58909a91b196e39d7623dd2e1e4d9b2698d6fa8ff06c2897eb5762e2e2e408 [2023-12-03 02:42:56,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:42:56,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:42:56,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:42:56,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:42:56,170 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:42:56,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/array-patterns/array18_pattern.c [2023-12-03 02:42:58,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:42:59,061 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:42:59,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/sv-benchmarks/c/array-patterns/array18_pattern.c [2023-12-03 02:42:59,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/data/1f8e8cb99/814bd97fade346f2addf9b60df9ed7a0/FLAGc9f58cfe5 [2023-12-03 02:42:59,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/data/1f8e8cb99/814bd97fade346f2addf9b60df9ed7a0 [2023-12-03 02:42:59,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:42:59,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:42:59,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:42:59,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:42:59,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:42:59,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5976025a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59, skipping insertion in model container [2023-12-03 02:42:59,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:42:59,238 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_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/sv-benchmarks/c/array-patterns/array18_pattern.c[1444,1457] [2023-12-03 02:42:59,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:42:59,265 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:42:59,277 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_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/sv-benchmarks/c/array-patterns/array18_pattern.c[1444,1457] [2023-12-03 02:42:59,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:42:59,304 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:42:59,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59 WrapperNode [2023-12-03 02:42:59,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:42:59,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:42:59,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:42:59,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:42:59,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,344 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-12-03 02:42:59,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:42:59,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:42:59,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:42:59,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:42:59,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:42:59,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:42:59,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:42:59,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:42:59,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:42:59,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:42:59,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:42:59,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd6991c4-e5ab-4f90-b9d5-a19247bd2dff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:42:59,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:42:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:42:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:42:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:42:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:42:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:42:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:42:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:42:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:42:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:42:59,522 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:42:59,525 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:42:59,695 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:42:59,776 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:42:59,776 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-03 02:42:59,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:42:59 BoogieIcfgContainer [2023-12-03 02:42:59,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:42:59,779 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:42:59,779 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:42:59,787 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:42:59,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:42:59" (1/1) ... [2023-12-03 02:42:59,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:42:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-12-03 02:42:59,840 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-12-03 02:42:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:42:59,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:59,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:59,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:42:59,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-12-03 02:42:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-12-03 02:42:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:42:59,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:59,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:00,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:43:00,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:43:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-12-03 02:43:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-12-03 02:43:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:43:00,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:00,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:00,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:43:00,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:43:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2023-12-03 02:43:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2023-12-03 02:43:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:43:00,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:00,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:00,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:43:00,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:43:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2023-12-03 02:43:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2023-12-03 02:43:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:43:00,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:00,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:00,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:43:00,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:43:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-12-03 02:43:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-12-03 02:43:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:43:01,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:01,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:01,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:43:01,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:43:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2023-12-03 02:43:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2023-12-03 02:43:01,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:43:01,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:01,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:01,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:43:01,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:43:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2023-12-03 02:43:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2023-12-03 02:43:02,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:43:02,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:02,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:02,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:43:02,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:43:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2023-12-03 02:43:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-12-03 02:43:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:43:02,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:02,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:03,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 02:43:03,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:03,331 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 15 treesize of output 11 [2023-12-03 02:43:04,363 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 272 treesize of output 252 [2023-12-03 02:43:04,829 INFO L349 Elim1Store]: treesize reduction 473, result has 26.4 percent of original size [2023-12-03 02:43:04,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 306 treesize of output 504 [2023-12-03 02:43:07,936 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:43:07,941 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 521 [2023-12-03 02:43:08,539 INFO L349 Elim1Store]: treesize reduction 413, result has 15.2 percent of original size [2023-12-03 02:43:08,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 320 treesize of output 175 [2023-12-03 02:43:20,039 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:43:30,608 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:43:40,950 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:43:48,503 WARN L293 SmtUtils]: Spent 7.30s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:43:49,159 INFO L349 Elim1Store]: treesize reduction 19, result has 59.6 percent of original size [2023-12-03 02:43:49,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 93 [2023-12-03 02:43:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:44:01,152 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:44:11,345 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:44:21,520 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:44:41,684 WARN L293 SmtUtils]: Spent 20.10s on a formula simplification. DAG size of input: 63 DAG size of output: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:44:52,240 WARN L293 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:44:52,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 112 transitions. [2023-12-03 02:44:52,830 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 112 transitions. [2023-12-03 02:44:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:44:52,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:52,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:52,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-03 02:44:52,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:53,046 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 [2023-12-03 02:44:53,817 INFO L349 Elim1Store]: treesize reduction 20, result has 50.0 percent of original size [2023-12-03 02:44:53,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 47 [2023-12-03 02:44:54,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-03 02:44:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:44:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:56,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 63 states and 126 transitions. [2023-12-03 02:44:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 126 transitions. [2023-12-03 02:44:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:44:56,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:56,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:44:56,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:44:58,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 66 states and 133 transitions. [2023-12-03 02:44:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2023-12-03 02:44:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:44:58,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:58,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:44:58,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:44:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 67 states and 135 transitions. [2023-12-03 02:44:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 135 transitions. [2023-12-03 02:44:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:44:59,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:59,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:59,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:44:59,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:59,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:45:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 68 states and 141 transitions. [2023-12-03 02:45:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 141 transitions. [2023-12-03 02:45:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:45:00,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:00,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:00,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:00,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:45:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 70 states and 146 transitions. [2023-12-03 02:45:01,614 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 146 transitions. [2023-12-03 02:45:01,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:45:01,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:01,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:01,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:01,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:45:02,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 71 states and 148 transitions. [2023-12-03 02:45:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 148 transitions. [2023-12-03 02:45:02,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:45:02,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:02,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:02,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:02,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:45:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 74 states and 152 transitions. [2023-12-03 02:45:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 152 transitions. [2023-12-03 02:45:03,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:45:03,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:03,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:03,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:03,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:45:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 75 states and 153 transitions. [2023-12-03 02:45:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 153 transitions. [2023-12-03 02:45:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:45:03,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:03,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:03,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 02:45:05,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:05,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 65 states and 128 transitions. [2023-12-03 02:45:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2023-12-03 02:45:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:45:05,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:05,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:06,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:06,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:06,046 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 02:45:09,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 72 states and 137 transitions. [2023-12-03 02:45:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2023-12-03 02:45:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:45:09,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:09,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:09,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:09,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:45:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 76 states and 151 transitions. [2023-12-03 02:45:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2023-12-03 02:45:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:45:10,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:10,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:10,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:10,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:45:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 78 states and 152 transitions. [2023-12-03 02:45:11,398 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2023-12-03 02:45:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:45:11,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:11,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 02:45:11,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:12,670 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 [2023-12-03 02:45:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:45:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 76 states and 148 transitions. [2023-12-03 02:45:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 148 transitions. [2023-12-03 02:45:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:45:19,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:19,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:19,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:19,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:19,422 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 02:45:20,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 77 states and 150 transitions. [2023-12-03 02:45:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2023-12-03 02:45:20,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:45:20,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:20,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:20,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:45:20,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:45:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:20,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 78 states and 152 transitions. [2023-12-03 02:45:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2023-12-03 02:45:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:45:20,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:21,042 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 85 conjunts are in the unsatisfiable core [2023-12-03 02:45:21,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:21,140 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 [2023-12-03 02:45:21,329 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 21 treesize of output 20 [2023-12-03 02:45:21,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:21,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-03 02:45:22,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:22,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-03 02:45:35,384 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 267 treesize of output 241 [2023-12-03 02:45:36,765 INFO L349 Elim1Store]: treesize reduction 899, result has 14.9 percent of original size [2023-12-03 02:45:36,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 275 treesize of output 448 [2023-12-03 02:45:39,110 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:39,111 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2023-12-03 02:45:39,219 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:39,220 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2023-12-03 02:45:39,261 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:39,262 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2023-12-03 02:45:39,347 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:39,348 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2023-12-03 02:45:39,406 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:39,407 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2023-12-03 02:45:39,525 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:45:39,526 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2023-12-03 02:46:11,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 358 treesize of output 326 [2023-12-03 02:46:11,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:46:11,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 573 treesize of output 716 [2023-12-03 02:46:14,332 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-03 02:46:29,398 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:46:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 87 states and 171 transitions. [2023-12-03 02:46:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2023-12-03 02:46:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:46:54,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:54,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:55,288 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 84 conjunts are in the unsatisfiable core [2023-12-03 02:46:55,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:55,409 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 [2023-12-03 02:46:55,434 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 21 treesize of output 20 [2023-12-03 02:46:55,501 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:46:55,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-03 02:46:55,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:46:55,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-03 02:46:58,637 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 267 treesize of output 241 [2023-12-03 02:46:59,637 INFO L349 Elim1Store]: treesize reduction 899, result has 14.9 percent of original size [2023-12-03 02:46:59,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 275 treesize of output 448 [2023-12-03 02:46:59,935 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:46:59,937 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2023-12-03 02:47:04,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 358 treesize of output 326 [2023-12-03 02:47:04,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:47:04,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 768 treesize of output 911 [2023-12-03 02:47:05,665 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-03 02:47:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:47:45,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:47:55,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 100 states and 188 transitions. [2023-12-03 02:47:55,979 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 188 transitions. [2023-12-03 02:47:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:47:55,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:55,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:56,608 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 83 conjunts are in the unsatisfiable core [2023-12-03 02:47:56,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:56,721 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 [2023-12-03 02:47:56,740 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 21 treesize of output 20 [2023-12-03 02:47:56,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:47:56,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-03 02:47:56,818 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:47:56,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-03 02:48:16,552 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 267 treesize of output 241 [2023-12-03 02:48:17,382 INFO L349 Elim1Store]: treesize reduction 919, result has 13.1 percent of original size [2023-12-03 02:48:17,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 275 treesize of output 428 [2023-12-03 02:48:17,693 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:48:17,695 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2023-12-03 02:48:20,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 358 treesize of output 326 [2023-12-03 02:48:20,881 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:48:20,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 797 treesize of output 936 [2023-12-03 02:48:23,135 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-03 02:48:26,750 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-03 02:48:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:48:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 101 states and 188 transitions. [2023-12-03 02:48:36,772 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 188 transitions. [2023-12-03 02:48:36,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:48:36,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:36,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:36,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:48:36,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 02:48:44,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 106 states and 204 transitions. [2023-12-03 02:48:44,592 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 204 transitions. [2023-12-03 02:48:44,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:48:44,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:44,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:44,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:48:44,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 02:48:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 108 states and 204 transitions. [2023-12-03 02:48:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 204 transitions. [2023-12-03 02:48:46,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:48:46,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:46,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:46,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:48:46,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 02:48:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 109 states and 205 transitions. [2023-12-03 02:48:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2023-12-03 02:48:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:48:48,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:48,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:48,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:48:48,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:48:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 110 states and 209 transitions. [2023-12-03 02:48:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 209 transitions. [2023-12-03 02:48:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:48:54,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:54,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:54,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:48:54,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 02:49:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 115 states and 218 transitions. [2023-12-03 02:49:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 218 transitions. [2023-12-03 02:49:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:49:02,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:02,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:02,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:49:02,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 02:49:04,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 117 states and 219 transitions. [2023-12-03 02:49:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 219 transitions. [2023-12-03 02:49:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:49:04,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:04,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:49:04,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:49:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 118 states and 221 transitions. [2023-12-03 02:49:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 221 transitions. [2023-12-03 02:49:05,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:49:05,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:05,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:05,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:49:05,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:49:06,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 110 states and 201 transitions. [2023-12-03 02:49:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 201 transitions. [2023-12-03 02:49:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:49:06,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:06,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:06,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:49:06,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 39 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:49:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 111 states and 202 transitions. [2023-12-03 02:49:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 202 transitions. [2023-12-03 02:49:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:49:10,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:10,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:10,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:49:10,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 39 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:49:12,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 112 states and 203 transitions. [2023-12-03 02:49:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 203 transitions. [2023-12-03 02:49:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:49:12,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:12,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:12,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:49:12,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 02:49:20,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:49:23,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-03 02:49:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 122 states and 223 transitions. [2023-12-03 02:49:33,309 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 223 transitions. [2023-12-03 02:49:33,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:49:33,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:33,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:33,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:49:33,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 02:49:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 125 states and 228 transitions. [2023-12-03 02:49:40,178 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2023-12-03 02:49:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 02:49:40,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:40,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:42,389 WARN L260 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 106 conjunts are in the unsatisfiable core [2023-12-03 02:49:42,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:43,320 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 [2023-12-03 02:49:43,878 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 [2023-12-03 02:49:49,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:49:49,066 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 [2023-12-03 02:49:59,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:49:59,573 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 [2023-12-03 02:50:03,560 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 252 treesize of output 226 [2023-12-03 02:50:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:03,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:03,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:03,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:03,897 INFO L349 Elim1Store]: treesize reduction 481, result has 7.7 percent of original size [2023-12-03 02:50:03,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 208 treesize of output 325 [2023-12-03 02:50:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:04,376 INFO L349 Elim1Store]: treesize reduction 481, result has 11.1 percent of original size [2023-12-03 02:50:04,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 242 treesize of output 168 [2023-12-03 02:50:19,291 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 311 treesize of output 271 [2023-12-03 02:50:19,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:19,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:19,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:19,815 INFO L349 Elim1Store]: treesize reduction 428, result has 17.9 percent of original size [2023-12-03 02:50:19,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 253 treesize of output 409 [2023-12-03 02:50:21,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:21,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:21,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:50:21,480 INFO L349 Elim1Store]: treesize reduction 352, result has 13.3 percent of original size [2023-12-03 02:50:21,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 439 treesize of output 259 [2023-12-03 02:50:31,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:50:31,443 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 130 treesize of output 62 [2023-12-03 02:50:31,452 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 8 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:53:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 151 states and 271 transitions. [2023-12-03 02:53:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 271 transitions. [2023-12-03 02:53:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 02:53:01,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:01,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:53:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:02,787 WARN L260 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 106 conjunts are in the unsatisfiable core [2023-12-03 02:53:02,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:02,883 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 [2023-12-03 02:53:02,900 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 21 treesize of output 20 [2023-12-03 02:53:03,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:53:03,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-12-03 02:53:03,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:53:03,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-12-03 02:53:16,047 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 267 treesize of output 241 [2023-12-03 02:53:16,961 INFO L349 Elim1Store]: treesize reduction 933, result has 11.7 percent of original size [2023-12-03 02:53:16,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 275 treesize of output 414 [2023-12-03 02:53:17,313 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:53:17,315 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2023-12-03 02:53:51,338 WARN L293 SmtUtils]: Spent 16.08s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:54:05,254 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 453 treesize of output 407 [2023-12-03 02:54:29,193 WARN L293 SmtUtils]: Spent 23.92s on a formula simplification. DAG size of input: 389 DAG size of output: 184 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-03 02:54:29,193 INFO L349 Elim1Store]: treesize reduction 1788, result has 25.4 percent of original size [2023-12-03 02:54:29,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 13 new quantified variables, introduced 77 case distinctions, treesize of input 1129 treesize of output 1554