./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/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_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55885307ad7991ec619705bd65f9ccb0a7f28b4003909403684402b81add0d87 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:09,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:09,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:06:09,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:09,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:09,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:09,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:09,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:09,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:09,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:09,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:09,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:09,986 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:09,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:09,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:09,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:09,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:09,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:09,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:09,991 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:06:09,992 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:09,992 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:09,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:09,993 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:09,994 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:09,994 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:09,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:09,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:09,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:09,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:09,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:09,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:09,999 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:10,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:10,001 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:10,001 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_3dd1b3f7-0822-41d0-bf50-518297d35309/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55885307ad7991ec619705bd65f9ccb0a7f28b4003909403684402b81add0d87 [2023-11-19 04:06:10,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:10,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:10,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:10,409 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:10,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:10,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard.c [2023-11-19 04:06:13,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:13,865 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:13,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/sv-benchmarks/c/recursified_nla-digbench/recursified_hard.c [2023-11-19 04:06:13,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/data/ec16bed22/7325588a4da14786a8bb03b3627a914b/FLAGe7af63252 [2023-11-19 04:06:13,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/data/ec16bed22/7325588a4da14786a8bb03b3627a914b [2023-11-19 04:06:13,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:13,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:13,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:13,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:13,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:13,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:13" (1/1) ... [2023-11-19 04:06:13,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec2bb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:13, skipping insertion in model container [2023-11-19 04:06:13,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:13" (1/1) ... [2023-11-19 04:06:13,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:14,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:14,181 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:14,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:14,232 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:14,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14 WrapperNode [2023-11-19 04:06:14,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:14,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:14,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:14,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:14,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,282 INFO L138 Inliner]: procedures = 17, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-19 04:06:14,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:14,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:14,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:14,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:14,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:14,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:14,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:14,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:14,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:14,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:14,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:14,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd1b3f7-0822-41d0-bf50-518297d35309/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2023-11-19 04:06:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2023-11-19 04:06:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2023-11-19 04:06:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2023-11-19 04:06:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:06:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:06:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:06:14,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:06:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:14,517 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:14,521 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:15,061 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:15,146 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:15,147 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:06:15,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:15 BoogieIcfgContainer [2023-11-19 04:06:15,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:15,155 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:15,155 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:15,167 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:15,168 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:15" (1/1) ... [2023-11-19 04:06:15,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 82 states and 94 transitions. [2023-11-19 04:06:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2023-11-19 04:06:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:15,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:15,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:15,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:06:15,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:15,612 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 04:06:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2023-11-19 04:06:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2023-11-19 04:06:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:06:15,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:15,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:15,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:06:15,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:16,025 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 04:06:16,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,093 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,104 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,105 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,109 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,139 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,156 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,180 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,193 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,213 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,222 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,223 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,226 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,245 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,251 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,259 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,260 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,264 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 86 [2023-11-19 04:06:16,359 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:06:16,362 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2023-11-19 04:06:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 50 [2023-11-19 04:06:16,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:06:16,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,567 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,568 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,573 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,588 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 86 [2023-11-19 04:06:16,671 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:06:16,673 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2023-11-19 04:06:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2023-11-19 04:06:16,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:06:16,846 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,858 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,859 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:16,863 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,904 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 91 [2023-11-19 04:06:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 94 [2023-11-19 04:06:17,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 85 [2023-11-19 04:06:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,162 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 04:06:17,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 33 [2023-11-19 04:06:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 35 [2023-11-19 04:06:17,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-11-19 04:06:17,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 04:06:17,256 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:17,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,295 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,296 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,305 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:17,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,317 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,322 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 60 [2023-11-19 04:06:17,390 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:06:17,391 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2023-11-19 04:06:17,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,444 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:17,461 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:17,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,490 INFO L349 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2023-11-19 04:06:17,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 66 [2023-11-19 04:06:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 44 [2023-11-19 04:06:17,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 21 [2023-11-19 04:06:17,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,584 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 04:06:17,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 33 [2023-11-19 04:06:17,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 04:06:17,605 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 15 treesize of output 11 [2023-11-19 04:06:17,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 60 [2023-11-19 04:06:17,669 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:06:17,672 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2023-11-19 04:06:17,683 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:17,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,698 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,702 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:17,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 04:06:17,715 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 04:06:18,138 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 22 treesize of output 10 [2023-11-19 04:06:18,159 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 04:06:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 118 transitions. [2023-11-19 04:06:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2023-11-19 04:06:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:06:18,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:18,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:18,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 04:06:18,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:18,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:06:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver