./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array23_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/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_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:36,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:36,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:03:36,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:36,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:36,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:36,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:36,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:36,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:36,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:36,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:36,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:36,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:36,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:36,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:36,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:36,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:36,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:36,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:36,717 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:36,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:36,718 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:36,718 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:36,719 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:36,719 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:36,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:36,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:36,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:36,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:36,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:36,723 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:36,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:36,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:36,724 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_93f10b35-1a19-4650-a727-7e56f9fea229/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2023-11-19 03:03:37,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:37,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:37,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:37,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:37,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:37,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-patterns/array23_pattern.c [2023-11-19 03:03:40,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:40,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:40,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/sv-benchmarks/c/array-patterns/array23_pattern.c [2023-11-19 03:03:40,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/data/666c2a8a9/89991352792b499da67e7494aa174daf/FLAGa8a953c1d [2023-11-19 03:03:40,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/data/666c2a8a9/89991352792b499da67e7494aa174daf [2023-11-19 03:03:40,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:40,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:40,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:40,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:40,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:40,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416cf912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40, skipping insertion in model container [2023-11-19 03:03:40,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:40,675 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_93f10b35-1a19-4650-a727-7e56f9fea229/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2023-11-19 03:03:40,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:40,738 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:40,754 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_93f10b35-1a19-4650-a727-7e56f9fea229/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2023-11-19 03:03:40,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:40,811 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:40,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40 WrapperNode [2023-11-19 03:03:40,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:40,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:40,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:40,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:40,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,862 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-19 03:03:40,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:40,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:40,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:40,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:40,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:40,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:40,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:40,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:40,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:40" (1/1) ... [2023-11-19 03:03:40,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:40,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:40,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:40,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f10b35-1a19-4650-a727-7e56f9fea229/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2023-11-19 03:03:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2023-11-19 03:03:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:03:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:03:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:03:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:03:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:41,121 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:41,124 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:41,342 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:41,452 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:41,453 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:03:41,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:41 BoogieIcfgContainer [2023-11-19 03:03:41,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:41,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:41,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:41,501 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:41,501 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:41" (1/1) ... [2023-11-19 03:03:41,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2023-11-19 03:03:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2023-11-19 03:03:41,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:03:41,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:41,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:41,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:03:41,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:41,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:03:41,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-19 03:03:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-19 03:03:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:41,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:41,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:41,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:41,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:03:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-19 03:03:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-19 03:03:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:42,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:42,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:42,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:42,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:42,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:42,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2023-11-19 03:03:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-11-19 03:03:42,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:42,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:42,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:42,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:42,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:42,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2023-11-19 03:03:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2023-11-19 03:03:42,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:03:42,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:42,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:43,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:43,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:03:43,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2023-11-19 03:03:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2023-11-19 03:03:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:03:43,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:43,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:43,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:43,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:03:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2023-11-19 03:03:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2023-11-19 03:03:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:03:43,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:43,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:43,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2023-11-19 03:03:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2023-11-19 03:03:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:44,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:44,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:44,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:03:44,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:44,683 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2023-11-19 03:03:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2023-11-19 03:03:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:45,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:45,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:45,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:03:45,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-11-19 03:03:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-19 03:03:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:46,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:46,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:46,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:46,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2023-11-19 03:03:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2023-11-19 03:03:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:47,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:47,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:47,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:47,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2023-11-19 03:03:47,992 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2023-11-19 03:03:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:03:47,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:47,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:48,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:48,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2023-11-19 03:03:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2023-11-19 03:03:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:03:48,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:48,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:48,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:48,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:03:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 91 transitions. [2023-11-19 03:03:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2023-11-19 03:03:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:03:49,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:49,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:49,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:49,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:03:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:50,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2023-11-19 03:03:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2023-11-19 03:03:50,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:03:50,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:50,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:50,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:50,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:50,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:03:51,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 96 transitions. [2023-11-19 03:03:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2023-11-19 03:03:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:03:51,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:51,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:51,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:03:51,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:03:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:51,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2023-11-19 03:03:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2023-11-19 03:03:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:03:51,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:51,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:52,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 93 conjunts are in the unsatisfiable core [2023-11-19 03:03:52,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:52,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:03:52,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-19 03:03:53,379 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:03:53,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-19 03:03:53,546 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:03:53,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-19 03:03:55,775 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-19 03:03:55,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-19 03:03:57,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 126 [2023-11-19 03:03:57,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:03:57,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:03:57,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:03:57,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:03:57,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:03:57,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:03:57,792 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-19 03:03:57,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-19 03:03:57,958 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:03:57,961 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2023-11-19 03:04:00,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:04:00,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 69 [2023-11-19 03:04:01,084 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:13,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 78 states and 138 transitions. [2023-11-19 03:04:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 138 transitions. [2023-11-19 03:04:13,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:04:13,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:14,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 94 conjunts are in the unsatisfiable core [2023-11-19 03:04:14,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:14,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:04:14,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-19 03:04:14,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:04:14,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-19 03:04:14,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:04:14,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-19 03:04:15,183 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-19 03:04:15,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-19 03:04:16,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 126 [2023-11-19 03:04:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,082 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-19 03:04:16,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-19 03:04:16,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:16,292 INFO L349 Elim1Store]: treesize reduction 144, result has 37.1 percent of original size [2023-11-19 03:04:16,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 137 treesize of output 171 [2023-11-19 03:04:17,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:04:17,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 69 [2023-11-19 03:04:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 91 states and 166 transitions. [2023-11-19 03:04:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 166 transitions. [2023-11-19 03:04:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:04:24,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:24,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:24,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 93 conjunts are in the unsatisfiable core [2023-11-19 03:04:24,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:24,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:04:24,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-19 03:04:25,075 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:04:25,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-19 03:04:25,111 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:04:25,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-19 03:04:25,914 INFO L349 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2023-11-19 03:04:25,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 86 [2023-11-19 03:04:26,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 126 [2023-11-19 03:04:26,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:26,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:26,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:26,815 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2023-11-19 03:04:26,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2023-11-19 03:04:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,381 INFO L349 Elim1Store]: treesize reduction 280, result has 19.3 percent of original size [2023-11-19 03:04:27,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 183 treesize of output 323 [2023-11-19 03:04:27,760 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:04:27,763 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2023-11-19 03:04:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:27,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:04:28,055 INFO L349 Elim1Store]: treesize reduction 36, result has 46.3 percent of original size [2023-11-19 03:04:28,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 96