./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array2_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-12 00:07:17,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:17,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:07:17,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:07:17,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:07:17,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:17,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:17,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:07:17,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:07:17,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:07:17,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:17,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:17,511 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:07:17,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:07:17,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:07:17,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:17,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:17,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:17,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:17,516 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:07:17,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:17,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:17,518 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:07:17,519 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:07:17,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:17,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:17,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:17,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:17,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:17,523 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:07:17,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:07:17,524 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:17,524 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_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a25becec148beba97bef86c2a84619bb26dfafe7c127e8d70246837f0d2d470 [2023-11-12 00:07:17,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:17,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:17,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:17,886 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:17,887 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:17,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-patterns/array2_pattern.c [2023-11-12 00:07:21,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:21,360 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:21,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/sv-benchmarks/c/array-patterns/array2_pattern.c [2023-11-12 00:07:21,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/data/ddebeb7fe/4f7ce510d0aa483295b6daa3dd5ada78/FLAGbede91798 [2023-11-12 00:07:21,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/data/ddebeb7fe/4f7ce510d0aa483295b6daa3dd5ada78 [2023-11-12 00:07:21,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:21,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:21,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:21,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:21,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:21,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781ca32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21, skipping insertion in model container [2023-11-12 00:07:21,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:21,583 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_d5f541e8-1670-4e23-ba56-175020b1bd68/sv-benchmarks/c/array-patterns/array2_pattern.c[1322,1335] [2023-11-12 00:07:21,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:21,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:21,624 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_d5f541e8-1670-4e23-ba56-175020b1bd68/sv-benchmarks/c/array-patterns/array2_pattern.c[1322,1335] [2023-11-12 00:07:21,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:21,651 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:21,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21 WrapperNode [2023-11-12 00:07:21,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:21,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:21,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:21,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:21,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,692 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-12 00:07:21,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:21,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:21,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:21,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:21,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:21,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:21,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:21,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:21,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:21" (1/1) ... [2023-11-12 00:07:21,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:21,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:21,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5f541e8-1670-4e23-ba56-175020b1bd68/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:07:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:07:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:07:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:07:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:07:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:07:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:07:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:07:21,910 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:21,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:22,104 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:22,183 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:22,184 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:07:22,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:22 BoogieIcfgContainer [2023-11-12 00:07:22,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:07:22,196 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:07:22,196 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:07:22,208 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:07:22,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:22" (1/1) ... [2023-11-12 00:07:22,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:07:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:22,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-12 00:07:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-12 00:07:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:07:22,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:22,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:22,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:07:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:07:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:07:22,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:22,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:07:22,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:07:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 25 transitions. [2023-11-12 00:07:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-12 00:07:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:07:22,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:22,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:22,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:07:22,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 39 transitions. [2023-11-12 00:07:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-12 00:07:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:07:23,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:23,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:23,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-12 00:07:23,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:23,614 INFO L351 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 [2023-11-12 00:07:23,734 INFO L351 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 [2023-11-12 00:07:24,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:24,355 INFO L351 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 [2023-11-12 00:07:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 32 states and 50 transitions. [2023-11-12 00:07:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-11-12 00:07:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:07:26,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:26,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:26,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:07:26,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 36 states and 60 transitions. [2023-11-12 00:07:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2023-11-12 00:07:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:07:27,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:27,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:27,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:07:27,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:29,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 41 states and 70 transitions. [2023-11-12 00:07:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2023-11-12 00:07:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:29,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:29,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:30,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-12 00:07:30,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:30,049 INFO L351 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 [2023-11-12 00:07:30,104 INFO L351 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 [2023-11-12 00:07:30,151 INFO L351 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 [2023-11-12 00:07:31,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:31,344 INFO L322 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-12 00:07:31,344 INFO L351 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 [2023-11-12 00:07:31,371 INFO L351 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 [2023-11-12 00:07:31,403 INFO L322 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-12 00:07:31,404 INFO L351 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 [2023-11-12 00:07:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:31,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:31,817 INFO L322 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-12 00:07:31,818 INFO L351 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 [2023-11-12 00:07:31,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:31,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:31,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:31,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:32,010 INFO L322 Elim1Store]: treesize reduction 55, result has 5.2 percent of original size [2023-11-12 00:07:32,011 INFO L351 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 [2023-11-12 00:07:32,079 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:07:32,081 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2023-11-12 00:07:33,152 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:07:33,152 INFO L351 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 [2023-11-12 00:07:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 49 states and 87 transitions. [2023-11-12 00:07:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-12 00:07:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:38,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:38,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:38,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-12 00:07:38,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:38,436 INFO L351 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 [2023-11-12 00:07:38,475 INFO L351 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 [2023-11-12 00:07:38,536 INFO L351 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 [2023-11-12 00:07:38,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,012 INFO L322 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-12 00:07:39,013 INFO L351 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 [2023-11-12 00:07:39,027 INFO L351 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 [2023-11-12 00:07:39,054 INFO L322 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-12 00:07:39,055 INFO L351 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 [2023-11-12 00:07:39,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,371 INFO L322 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-12 00:07:39,372 INFO L351 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 [2023-11-12 00:07:39,480 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:07:39,482 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2023-11-12 00:07:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,578 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:07:39,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:39,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:07:39,592 INFO L351 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 [2023-11-12 00:07:40,225 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:07:40,226 INFO L351 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 [2023-11-12 00:07:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:41,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:41,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 52 states and 94 transitions. [2023-11-12 00:07:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2023-11-12 00:07:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:41,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:41,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:41,521 WARN L260 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-12 00:07:41,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:41,638 INFO L351 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 [2023-11-12 00:07:41,771 INFO L351 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 [2023-11-12 00:07:41,925 INFO L351 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 [2023-11-12 00:07:42,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:42,650 INFO L322 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-12 00:07:42,650 INFO L351 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 [2023-11-12 00:07:42,669 INFO L351 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 [2023-11-12 00:07:42,698 INFO L322 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-12 00:07:42,699 INFO L351 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 [2023-11-12 00:07:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:42,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:07:43,040 INFO L322 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-12 00:07:43,041 INFO L351 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 [2023-11-12 00:07:43,179 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:07:43,182 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2023-11-12 00:07:43,331 INFO L351 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 [2023-11-12 00:07:44,091 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:07:44,092 INFO L351 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 [2023-11-12 00:07:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 53 states and 95 transitions. [2023-11-12 00:07:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-11-12 00:07:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:07:45,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:45,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:07:45,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:49,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 58 states and 107 transitions. [2023-11-12 00:07:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-11-12 00:07:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:07:49,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:49,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:49,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:07:49,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 62 states and 114 transitions. [2023-11-12 00:07:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2023-11-12 00:07:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:07:51,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:51,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:51,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:07:51,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:57,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 70 states and 134 transitions. [2023-11-12 00:07:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 134 transitions. [2023-11-12 00:07:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:07:57,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:57,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:57,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:07:57,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 71 states and 137 transitions. [2023-11-12 00:07:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-11-12 00:07:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:07:58,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:58,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:58,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:07:58,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:07:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:08:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:08:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 74 states and 139 transitions. [2023-11-12 00:08:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2023-11-12 00:08:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:08:00,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:08:00,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:00,451 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-12 00:08:00,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:08:00,488 INFO L351 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 [2023-11-12 00:08:00,515 INFO L351 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 [2023-11-12 00:08:00,562 INFO L351 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 [2023-11-12 00:08:00,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:00,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:00,719 INFO L351 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 68 treesize of output 63 [2023-11-12 00:08:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:02,998 INFO L322 Elim1Store]: treesize reduction 122, result has 24.2 percent of original size [2023-11-12 00:08:02,998 INFO L351 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 212 treesize of output 206 [2023-11-12 00:08:03,019 INFO L351 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 177 treesize of output 152 [2023-11-12 00:08:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:03,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:08:03,059 INFO L322 Elim1Store]: treesize reduction 164, result has 0.6 percent of original size [2023-11-12 00:08:03,059 INFO L351 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 111 treesize of output 179 [2023-11-12 00:08:03,217 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-11-12 00:08:03,251 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:08:03,252 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142