./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array17_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array17_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2 --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 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:00,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:00,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:42:00,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:00,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:00,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:00,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:00,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:00,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:00,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:00,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:00,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:00,442 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:00,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:00,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:00,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:00,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:00,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:00,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:00,446 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:00,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:00,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:00,448 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:00,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:00,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:00,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:00,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:00,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:00,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:00,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:00,454 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:00,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:00,455 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:00,455 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_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 [2023-11-21 18:42:00,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:00,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:00,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:00,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:00,814 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:00,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array17_pattern.c [2023-11-21 18:42:04,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:04,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:04,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/sv-benchmarks/c/array-patterns/array17_pattern.c [2023-11-21 18:42:04,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/data/d9ee8ac01/b01a5d2a81394e1ab4e003bca6c10ff3/FLAGc727957cb [2023-11-21 18:42:04,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/data/d9ee8ac01/b01a5d2a81394e1ab4e003bca6c10ff3 [2023-11-21 18:42:04,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:04,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:04,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:04,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:04,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:04,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@239f790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04, skipping insertion in model container [2023-11-21 18:42:04,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,323 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:04,470 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_a8f1f9b9-6539-40a3-aca8-1db95649186f/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2023-11-21 18:42:04,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:04,502 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:04,515 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_a8f1f9b9-6539-40a3-aca8-1db95649186f/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2023-11-21 18:42:04,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:04,541 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:04,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04 WrapperNode [2023-11-21 18:42:04,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:04,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:04,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:04,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:04,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,589 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2023-11-21 18:42:04,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:04,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:04,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:04,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:04,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:04,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:04,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:04,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:04,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:04,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:04,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:04,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f1f9b9-6539-40a3-aca8-1db95649186f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:42:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:42:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:42:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:42:04,769 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:04,771 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:05,010 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:05,149 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:05,150 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 18:42:05,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:05 BoogieIcfgContainer [2023-11-21 18:42:05,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:05,153 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:05,153 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:05,164 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:05,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:42:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-21 18:42:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-21 18:42:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:42:05,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:05,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:42:05,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-21 18:42:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-21 18:42:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:42:05,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:05,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:05,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-21 18:42:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-21 18:42:05,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:42:05,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:05,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:05,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2023-11-21 18:42:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2023-11-21 18:42:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:42:06,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:06,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:06,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2023-11-21 18:42:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2023-11-21 18:42:06,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:42:06,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:06,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:42:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2023-11-21 18:42:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2023-11-21 18:42:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:42:07,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:07,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:07,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2023-11-21 18:42:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2023-11-21 18:42:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:42:07,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:07,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:07,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:42:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2023-11-21 18:42:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2023-11-21 18:42:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:42:08,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:08,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2023-11-21 18:42:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-21 18:42:08,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:42:08,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:08,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 18:42:09,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:09,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:42:10,115 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 257 treesize of output 237 [2023-11-21 18:42:11,444 INFO L349 Elim1Store]: treesize reduction 326, result has 30.5 percent of original size [2023-11-21 18:42:11,445 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 273 treesize of output 446 [2023-11-21 18:42:13,785 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:42:13,791 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2023-11-21 18:42:15,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:15,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:15,589 INFO L349 Elim1Store]: treesize reduction 124, result has 17.9 percent of original size [2023-11-21 18:42:15,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 226 treesize of output 92 [2023-11-21 18:42:15,847 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:42:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:15,852 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:42:15,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 48 [2023-11-21 18:42:15,934 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:42:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:15,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 333 treesize of output 162 [2023-11-21 18:42:17,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:42:17,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 51 treesize of output 43 [2023-11-21 18:42:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:20,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 61 states and 120 transitions. [2023-11-21 18:42:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 120 transitions. [2023-11-21 18:42:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:42:20,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:20,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:20,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-21 18:42:20,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:20,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:42:21,555 INFO L349 Elim1Store]: treesize reduction 18, result has 52.6 percent of original size [2023-11-21 18:42:21,556 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 57 treesize of output 47 [2023-11-21 18:42:21,971 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 [2023-11-21 18:42:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:42:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 62 states and 119 transitions. [2023-11-21 18:42:24,212 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 119 transitions. [2023-11-21 18:42:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:42:24,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:24,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:24,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:24,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:24,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:42:25,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 65 states and 126 transitions. [2023-11-21 18:42:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 126 transitions. [2023-11-21 18:42:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:42:25,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:25,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:25,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:25,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:42:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 66 states and 128 transitions. [2023-11-21 18:42:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2023-11-21 18:42:26,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:42:26,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:26,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:26,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:26,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 67 states and 134 transitions. [2023-11-21 18:42:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 134 transitions. [2023-11-21 18:42:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:42:27,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:27,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:27,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:27,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:42:28,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:28,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 69 states and 140 transitions. [2023-11-21 18:42:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 140 transitions. [2023-11-21 18:42:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:42:28,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:28,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:28,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:28,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:42:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 70 states and 141 transitions. [2023-11-21 18:42:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 141 transitions. [2023-11-21 18:42:28,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:42:28,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:28,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:29,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:29,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:42:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:29,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 71 states and 142 transitions. [2023-11-21 18:42:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 142 transitions. [2023-11-21 18:42:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:42:29,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:29,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:29,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:29,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:42:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 73 states and 146 transitions. [2023-11-21 18:42:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 146 transitions. [2023-11-21 18:42:30,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:42:30,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:30,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:30,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:30,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:42:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 74 states and 146 transitions. [2023-11-21 18:42:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2023-11-21 18:42:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:42:30,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:30,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:30,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:30,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:42:33,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2023-11-21 18:42:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2023-11-21 18:42:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:42:33,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:33,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:33,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:33,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:42:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 128 transitions. [2023-11-21 18:42:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2023-11-21 18:42:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:42:34,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:34,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:34,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:34,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:42:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 75 states and 143 transitions. [2023-11-21 18:42:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 143 transitions. [2023-11-21 18:42:36,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:42:36,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:36,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:36,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:36,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:36,479 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:42:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 76 states and 143 transitions. [2023-11-21 18:42:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2023-11-21 18:42:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:42:36,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:36,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:36,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-21 18:42:36,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:36,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:42:37,631 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 19 treesize of output 11 [2023-11-21 18:42:38,750 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 19 treesize of output 11 [2023-11-21 18:42:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:42:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 74 states and 138 transitions. [2023-11-21 18:42:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 138 transitions. [2023-11-21 18:42:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:42:42,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:42,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:42,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:42,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:42:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 140 transitions. [2023-11-21 18:42:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-11-21 18:42:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:42:43,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:43,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:43,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:43,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:42:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 76 states and 142 transitions. [2023-11-21 18:42:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 142 transitions. [2023-11-21 18:42:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:42:43,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:43,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:44,099 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 90 conjunts are in the unsatisfiable core [2023-11-21 18:42:44,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:44,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:42:45,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-21 18:42:45,732 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:42:45,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-21 18:42:45,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:42:45,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-21 18:42:47,785 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 [2023-11-21 18:42:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:42:48,088 INFO L349 Elim1Store]: treesize reduction 481, result has 7.7 percent of original size [2023-11-21 18:42:48,089 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 [2023-11-21 18:42:48,377 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-21 18:42:48,390 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:42:48,394 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 476