./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array2_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array2_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a25becec148beba97bef86c2a84619bb26dfafe7c127e8d70246837f0d2d470 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:13,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:13,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:59:13,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:13,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:13,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:13,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:13,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:13,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:13,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:13,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:13,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:13,600 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:13,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:13,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:13,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:13,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:13,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:13,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:13,603 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:13,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:13,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:13,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:13,605 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:13,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:13,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:13,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:13,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:13,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:13,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:13,609 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:13,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:13,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:13,610 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_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a25becec148beba97bef86c2a84619bb26dfafe7c127e8d70246837f0d2d470 [2023-11-19 03:59:13,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:13,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:13,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:13,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:13,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:13,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-patterns/array2_pattern.c [2023-11-19 03:59:16,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:17,178 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:17,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/sv-benchmarks/c/array-patterns/array2_pattern.c [2023-11-19 03:59:17,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/data/149ffa6bc/71f1613c35984c1a91a0cbee10843384/FLAGa11f0f927 [2023-11-19 03:59:17,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/data/149ffa6bc/71f1613c35984c1a91a0cbee10843384 [2023-11-19 03:59:17,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:17,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:17,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:17,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:17,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:17,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38de2dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17, skipping insertion in model container [2023-11-19 03:59:17,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:17,420 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_e206e192-6887-4287-94ef-73dd8308847d/sv-benchmarks/c/array-patterns/array2_pattern.c[1322,1335] [2023-11-19 03:59:17,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:17,450 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:17,462 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_e206e192-6887-4287-94ef-73dd8308847d/sv-benchmarks/c/array-patterns/array2_pattern.c[1322,1335] [2023-11-19 03:59:17,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:17,488 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:17,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17 WrapperNode [2023-11-19 03:59:17,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:17,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:17,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:17,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:17,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,544 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-19 03:59:17,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:17,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:17,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:17,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:17,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:17,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:17,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:17,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:17,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:17,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:17,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:17,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e206e192-6887-4287-94ef-73dd8308847d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:59:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:59:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:59:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:59:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:17,715 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:17,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:17,892 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:17,926 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:17,927 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:59:17,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:17 BoogieIcfgContainer [2023-11-19 03:59:17,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:17,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:17,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:17,948 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:17,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:17" (1/1) ... [2023-11-19 03:59:17,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-19 03:59:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-19 03:59:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:59:18,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:18,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:59:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:59:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:59:18,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:18,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:18,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:59:18,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:18,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 25 transitions. [2023-11-19 03:59:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:59:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:59:18,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:18,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:18,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:59:18,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 39 transitions. [2023-11-19 03:59:19,107 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-19 03:59:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:59:19,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:19,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:19,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:59:19,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:19,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 03:59:19,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 03:59:19,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:19,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2023-11-19 03:59:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 47 transitions. [2023-11-19 03:59:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-11-19 03:59:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:59:21,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:21,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:21,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:59:21,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 57 transitions. [2023-11-19 03:59:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-11-19 03:59:23,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:59:23,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:23,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:23,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:59:23,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 67 transitions. [2023-11-19 03:59:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-19 03:59:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:59:25,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:25,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 03:59:25,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:25,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 03:59:25,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 03:59:25,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-19 03:59:26,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:26,831 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-19 03:59:26,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-19 03:59:26,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-19 03:59:26,884 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-19 03:59:26,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-19 03:59:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:27,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:27,281 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-19 03:59:27,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-19 03:59:27,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:27,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:27,483 INFO L349 Elim1Store]: treesize reduction 55, result has 5.2 percent of original size [2023-11-19 03:59:27,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 143 treesize of output 89 [2023-11-19 03:59:27,545 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:59:27,547 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2023-11-19 03:59:28,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:59:28,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 82 [2023-11-19 03:59:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:34,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 87 transitions. [2023-11-19 03:59:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-19 03:59:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:59:34,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:34,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:34,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 03:59:34,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:34,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 03:59:34,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 03:59:34,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-19 03:59:35,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,076 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-19 03:59:35,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-19 03:59:35,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-19 03:59:35,115 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-19 03:59:35,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-19 03:59:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,445 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-19 03:59:35,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-19 03:59:35,541 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:59:35,542 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2023-11-19 03:59:35,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:59:35,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:35,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:59:35,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 50 [2023-11-19 03:59:36,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:59:36,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 82 [2023-11-19 03:59:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:37,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 94 transitions. [2023-11-19 03:59:37,798 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2023-11-19 03:59:37,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:59:37,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:37,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:37,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 03:59:37,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:37,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 03:59:38,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 03:59:38,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-19 03:59:38,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:38,706 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-19 03:59:38,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-19 03:59:38,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-19 03:59:38,757 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-19 03:59:38,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-19 03:59:38,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:38,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:38,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:39,059 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-19 03:59:39,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-19 03:59:39,178 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:59:39,180 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2023-11-19 03:59:39,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 27 [2023-11-19 03:59:39,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:59:40,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 82 [2023-11-19 03:59:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 95 transitions. [2023-11-19 03:59:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-11-19 03:59:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:59:40,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:40,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:40,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:59:40,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 58 states and 107 transitions. [2023-11-19 03:59:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-11-19 03:59:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:59:44,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:44,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:44,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:59:44,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:46,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 114 transitions. [2023-11-19 03:59:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2023-11-19 03:59:46,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:59:46,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:46,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:46,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:59:46,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 70 states and 132 transitions. [2023-11-19 03:59:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2023-11-19 03:59:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:59:51,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:51,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:51,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:59:51,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 74 states and 139 transitions. [2023-11-19 03:59:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2023-11-19 03:59:53,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:59:53,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:53,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:53,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-19 03:59:53,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:53,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 03:59:54,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-19 03:59:54,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2023-11-19 03:59:54,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2023-11-19 03:59:55,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:59:55,943 INFO L349 Elim1Store]: treesize reduction 109, result has 23.2 percent of original size [2023-11-19 03:59:55,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 198 treesize of output 190 [2023-11-19 03:59:55,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 136 [2023-11-19 03:59:55,996 INFO L349 Elim1Store]: treesize reduction 141, result has 0.7 percent of original size [2023-11-19 03:59:55,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 165 [2023-11-19 03:59:56,095 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:59:56,097 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2023-11-19 04:00:00,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 619 treesize of output 541 [2023-11-19 04:00:00,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:00:00,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 541 treesize of output 615 [2023-11-19 04:00:00,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:00:00,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 5 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 1362 treesize of output 1318 [2023-11-19 04:00:06,331 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-19 04:00:06,421 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-19 04:00:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.