./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --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 0.2.1-dev-63182f1 [2021-11-13 21:58:12,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:12,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:12,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:12,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:12,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:12,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:12,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:12,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:12,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:12,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:12,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:12,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:12,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:12,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:12,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:12,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:12,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:12,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:12,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:12,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:12,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:12,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:12,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:12,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:12,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:12,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:12,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:12,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:12,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:12,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:12,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:12,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:12,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:12,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:12,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:12,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:12,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:12,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:12,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:12,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:12,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:58:12,462 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:12,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:12,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:12,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:12,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:12,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:12,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:12,465 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:58:12,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:12,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:58:12,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:12,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:12,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:12,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:12,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:58:12,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:12,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:12,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:12,468 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:12,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:12,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:12,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:12,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:12,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:12,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:12,470 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:12,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:12,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:12,471 INFO L138 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_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2021-11-13 21:58:12,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:12,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:12,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:12,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:12,792 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:12,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array23_pattern.c [2021-11-13 21:58:12,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/data/a30ce9f6c/b048cd007d4342d995f118b03f9d8eaf/FLAG7c10da0e8 [2021-11-13 21:58:13,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:13,383 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/sv-benchmarks/c/array-patterns/array23_pattern.c [2021-11-13 21:58:13,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/data/a30ce9f6c/b048cd007d4342d995f118b03f9d8eaf/FLAG7c10da0e8 [2021-11-13 21:58:13,745 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/data/a30ce9f6c/b048cd007d4342d995f118b03f9d8eaf [2021-11-13 21:58:13,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:13,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:13,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:13,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:13,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:13,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:13" (1/1) ... [2021-11-13 21:58:13,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98123a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:13, skipping insertion in model container [2021-11-13 21:58:13,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:13" (1/1) ... [2021-11-13 21:58:13,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:13,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:13,959 WARN L228 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_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2021-11-13 21:58:13,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:13,994 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:14,014 WARN L228 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_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2021-11-13 21:58:14,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:14,043 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:14,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14 WrapperNode [2021-11-13 21:58:14,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:14,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:14,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:14,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:14,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:14,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:14,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:14,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:14,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:14,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:14,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:14,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:14,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:14,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:14,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:14,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a206b48-2f48-48e5-a69d-fcc36eabb3f9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-11-13 21:58:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-11-13 21:58:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 21:58:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 21:58:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:58:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:58:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:58:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:58:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:58:14,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:14,745 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 21:58:14,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:14 BoogieIcfgContainer [2021-11-13 21:58:14,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:14,749 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:14,749 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:14,759 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:14,760 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:14" (1/1) ... [2021-11-13 21:58:14,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-13 21:58:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-13 21:58:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:58:14,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:14,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:15,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 21:58:15,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:15,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-13 21:58:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-13 21:58:15,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:58:15,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:15,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:15,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:58:15,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 21:58:15,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:15,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2021-11-13 21:58:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2021-11-13 21:58:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 21:58:15,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:15,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:15,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:15,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2021-11-13 21:58:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2021-11-13 21:58:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 21:58:15,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:15,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:16,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:16,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:16,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2021-11-13 21:58:16,559 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2021-11-13 21:58:16,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:58:16,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:16,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:16,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:16,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:58:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2021-11-13 21:58:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2021-11-13 21:58:17,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 21:58:17,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:17,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:17,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:17,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:58:17,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 65 states and 107 transitions. [2021-11-13 21:58:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 107 transitions. [2021-11-13 21:58:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 21:58:17,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:17,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:17,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:58:17,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:17,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2021-11-13 21:58:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2021-11-13 21:58:17,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 21:58:17,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:17,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:17,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:58:17,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:58:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2021-11-13 21:58:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2021-11-13 21:58:18,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 21:58:18,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:18,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:18,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 21:58:18,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:58:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2021-11-13 21:58:18,935 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2021-11-13 21:58:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 21:58:18,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:18,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:18,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 21:58:18,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:58:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2021-11-13 21:58:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2021-11-13 21:58:19,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 21:58:19,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:19,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:19,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:58:19,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:58:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2021-11-13 21:58:21,050 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2021-11-13 21:58:21,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 21:58:21,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:21,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:21,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:58:21,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:58:21,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2021-11-13 21:58:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2021-11-13 21:58:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 21:58:21,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:21,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:21,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:58:21,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 21:58:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2021-11-13 21:58:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2021-11-13 21:58:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 21:58:21,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:21,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:21,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:58:21,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 21:58:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 91 transitions. [2021-11-13 21:58:22,874 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2021-11-13 21:58:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 21:58:22,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:22,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:22,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:58:22,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 21:58:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2021-11-13 21:58:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2021-11-13 21:58:23,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:58:23,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:23,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:23,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:58:23,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 21:58:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 96 transitions. [2021-11-13 21:58:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2021-11-13 21:58:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 21:58:24,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:24,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:24,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:58:24,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 21:58:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2021-11-13 21:58:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2021-11-13 21:58:24,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 21:58:24,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:24,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:26,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-13 21:58:26,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:58:26,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 15 [2021-11-13 21:58:26,564 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:26,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:26,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 93 [2021-11-13 21:58:26,806 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:26,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:26,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 22 [2021-11-13 21:58:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 21:58:27,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 98 [2021-11-13 21:58:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 10 [2021-11-13 21:58:27,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,609 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 21:58:27,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 125 [2021-11-13 21:58:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:27,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 66 treesize of output 29 [2021-11-13 21:58:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:30,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:30,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:30,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:30,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:30,893 INFO L354 Elim1Store]: treesize reduction 199, result has 44.6 percent of original size [2021-11-13 21:58:30,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 107 treesize of output 260 [2021-11-13 21:58:31,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:31,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:58:31,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:32,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:32,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:32,036 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 21:58:32,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 377 treesize of output 310 [2021-11-13 21:58:42,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:42,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,243 INFO L354 Elim1Store]: treesize reduction 1421, result has 19.6 percent of original size [2021-11-13 21:58:45,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 392 treesize of output 581 [2021-11-13 21:58:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,521 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-11-13 21:58:45,579 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 21:58:45,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 164 treesize of output 167 [2021-11-13 21:58:45,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:45,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 344 treesize of output 265 [2021-11-13 21:58:46,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:46,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:46,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:46,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:46,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:58:46,529 INFO L354 Elim1Store]: treesize reduction 185, result has 31.0 percent of original size [2021-11-13 21:58:46,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 435 treesize of output 307 [2021-11-13 21:58:55,701 INFO L354 Elim1Store]: treesize reduction 159, result has 42.8 percent of original size [2021-11-13 21:58:55,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 240 treesize of output 207 [2021-11-13 21:58:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:59:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 77 states and 157 transitions. [2021-11-13 21:59:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 157 transitions. [2021-11-13 21:59:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 21:59:21,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:21,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:23,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 83 conjunts are in the unsatisfiable core [2021-11-13 21:59:23,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:59:24,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 15 [2021-11-13 21:59:24,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:59:24,841 INFO L354 Elim1Store]: treesize reduction 132, result has 19.0 percent of original size [2021-11-13 21:59:24,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 93 [2021-11-13 21:59:24,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:24,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 22 [2021-11-13 21:59:25,789 INFO L354 Elim1Store]: treesize reduction 158, result has 17.3 percent of original size [2021-11-13 21:59:25,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 70 treesize of output 90 [2021-11-13 21:59:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:25,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:25,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:25,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2021-11-13 21:59:26,300 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-13 21:59:26,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-13 21:59:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:59:26,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 73 treesize of output 32 [2021-11-13 22:05:19,665 INFO L354 Elim1Store]: treesize reduction 419, result has 30.9 percent of original size [2021-11-13 22:05:19,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 107 treesize of output 260 [2021-11-13 22:05:19,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:05:19,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:05:19,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:05:20,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:05:20,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:05:20,816 INFO L354 Elim1Store]: treesize reduction 150, result has 22.3 percent of original size [2021-11-13 22:05:20,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 377 treesize of output 308 [2021-11-13 22:07:18,749 INFO L354 Elim1Store]: treesize reduction 1514, result has 18.6 percent of original size [2021-11-13 22:07:18,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 392 treesize of output 581 [2021-11-13 22:07:18,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:07:18,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:07:19,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 22:07:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:26,113 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 22:07:26,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 662 treesize of output 610 [2021-11-13 22:07:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 22:07:27,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 854 treesize of output 733 [2021-11-13 22:07:28,328 INFO L354 Elim1Store]: treesize reduction 150, result has 32.1 percent of original size [2021-11-13 22:07:28,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 567 treesize of output 436 [2021-11-13 22:10:08,088 INFO L354 Elim1Store]: treesize reduction 202, result has 37.1 percent of original size [2021-11-13 22:10:08,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 222 [2021-11-13 22:10:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 36 refuted. 2 times theorem prover too weak. 2 trivial. 0 not checked.