./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array13_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array13_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN --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 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:05:33,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:05:33,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:05:33,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:05:33,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:05:33,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:05:33,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:05:33,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:05:33,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:05:33,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:05:33,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:05:33,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:05:33,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:05:33,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:05:33,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:05:33,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:05:33,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:05:33,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:05:33,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:05:33,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:05:33,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:05:34,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:05:34,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:05:34,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:05:34,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:05:34,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:05:34,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:05:34,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:05:34,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:05:34,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:05:34,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:05:34,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:05:34,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:05:34,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:05:34,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:05:34,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:05:34,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:05:34,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:05:34,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:05:34,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:05:34,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:05:34,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:05:34,077 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:05:34,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:05:34,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:05:34,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:05:34,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:05:34,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:05:34,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:05:34,081 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:05:34,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:05:34,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:05:34,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:05:34,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:05:34,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:05:34,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:05:34,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:05:34,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:05:34,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:05:34,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:05:34,091 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:05:34,091 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:05:34,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:05:34,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:05:34,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:05:34,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:05:34,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:05:34,093 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:05:34,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:05:34,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:05:34,094 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_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78699f7813351c3df7f7fcab3bf98fffd7a92c5cc679034a9d139e9169232d7e [2021-11-21 05:05:34,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:05:34,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:05:34,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:05:34,422 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:05:34,423 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:05:34,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-patterns/array13_pattern.c [2021-11-21 05:05:34,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/data/c7643123b/32baacdda378470b881287efcd241d35/FLAG683345db5 [2021-11-21 05:05:34,957 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:05:34,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/sv-benchmarks/c/array-patterns/array13_pattern.c [2021-11-21 05:05:34,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/data/c7643123b/32baacdda378470b881287efcd241d35/FLAG683345db5 [2021-11-21 05:05:35,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/data/c7643123b/32baacdda378470b881287efcd241d35 [2021-11-21 05:05:35,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:05:35,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:05:35,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:05:35,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:05:35,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:05:35,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359cb270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35, skipping insertion in model container [2021-11-21 05:05:35,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:05:35,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:05:35,574 WARN L230 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_41bfc3eb-db21-44cd-a76d-9291b435b987/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2021-11-21 05:05:35,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:05:35,601 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:05:35,614 WARN L230 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_41bfc3eb-db21-44cd-a76d-9291b435b987/sv-benchmarks/c/array-patterns/array13_pattern.c[1342,1355] [2021-11-21 05:05:35,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:05:35,638 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:05:35,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35 WrapperNode [2021-11-21 05:05:35,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:05:35,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:05:35,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:05:35,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:05:35,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,677 INFO L137 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2021-11-21 05:05:35,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:05:35,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:05:35,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:05:35,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:05:35,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:05:35,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:05:35,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:05:35,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:05:35,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:05:35" (1/1) ... [2021-11-21 05:05:35,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:05:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:05:35,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:05:35,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41bfc3eb-db21-44cd-a76d-9291b435b987/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:05:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:05:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 05:05:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 05:05:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:05:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:05:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:05:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:05:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:05:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:05:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:05:35,870 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:05:35,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:05:36,022 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:05:36,067 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:05:36,068 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 05:05:36,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:05:36 BoogieIcfgContainer [2021-11-21 05:05:36,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:05:36,071 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:05:36,071 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:05:36,082 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:05:36,083 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:05:36" (1/1) ... [2021-11-21 05:05:36,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:05:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-21 05:05:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-21 05:05:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:05:36,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:36,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:36,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:05:36,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:05:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-21 05:05:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-21 05:05:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:05:36,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:36,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:36,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:05:36,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:05:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-11-21 05:05:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-21 05:05:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:05:36,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:36,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:36,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 05:05:36,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:05:36,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:36,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-21 05:05:36,958 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-21 05:05:36,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:05:36,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:36,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:37,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 05:05:37,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:05:37,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-21 05:05:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-21 05:05:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:05:37,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:37,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:37,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 05:05:37,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:05:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-21 05:05:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-21 05:05:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:05:37,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:37,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:37,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 05:05:37,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:37,624 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 11 treesize of output 7 [2021-11-21 05:05:37,633 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 11 treesize of output 7 [2021-11-21 05:05:38,294 INFO L354 Elim1Store]: treesize reduction 350, result has 2.0 percent of original size [2021-11-21 05:05:38,295 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 7 case distinctions, treesize of input 152 treesize of output 120 [2021-11-21 05:05:38,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 18 [2021-11-21 05:05:38,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-11-21 05:05:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:05:40,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2021-11-21 05:05:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2021-11-21 05:05:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:05:40,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:40,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:40,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:05:40,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:05:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2021-11-21 05:05:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-11-21 05:05:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:05:41,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:41,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:41,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:05:41,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:05:42,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2021-11-21 05:05:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2021-11-21 05:05:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:05:42,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:42,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:42,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:05:42,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:05:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2021-11-21 05:05:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2021-11-21 05:05:42,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:05:42,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:42,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:42,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:05:42,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:05:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2021-11-21 05:05:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-11-21 05:05:43,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 05:05:43,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:43,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:43,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:05:43,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:05:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2021-11-21 05:05:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2021-11-21 05:05:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:05:44,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:44,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:44,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:05:44,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:44,356 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:05:45,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2021-11-21 05:05:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2021-11-21 05:05:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:05:45,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:45,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:45,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:05:45,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 05:05:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2021-11-21 05:05:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2021-11-21 05:05:46,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:05:46,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:46,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:46,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:05:46,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:05:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 84 transitions. [2021-11-21 05:05:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2021-11-21 05:05:47,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 05:05:47,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:47,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:47,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-21 05:05:47,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:47,633 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 23 treesize of output 19 [2021-11-21 05:05:47,642 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 25 treesize of output 21 [2021-11-21 05:05:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:47,796 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 73 treesize of output 91 [2021-11-21 05:05:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:47,817 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 48 treesize of output 21 [2021-11-21 05:05:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:47,864 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 67 treesize of output 24 [2021-11-21 05:05:48,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,275 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 05:05:48,275 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 [2021-11-21 05:05:48,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:05:48,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,338 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 57 treesize of output 23 [2021-11-21 05:05:48,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 05:05:48,550 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 79 treesize of output 115 [2021-11-21 05:05:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:48,579 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 71 treesize of output 36 [2021-11-21 05:05:50,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,280 INFO L354 Elim1Store]: treesize reduction 766, result has 15.7 percent of original size [2021-11-21 05:05:50,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 184 treesize of output 261 [2021-11-21 05:05:50,782 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-21 05:05:50,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:50,964 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-21 05:05:50,965 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 241 treesize of output 149 [2021-11-21 05:05:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:56,384 INFO L354 Elim1Store]: treesize reduction 43, result has 59.8 percent of original size [2021-11-21 05:05:56,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 155 treesize of output 132 [2021-11-21 05:05:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:06:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:06:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 76 states and 159 transitions. [2021-11-21 05:06:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2021-11-21 05:06:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 05:06:10,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:06:10,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:06:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:06:11,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 05:06:11,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:06:11,461 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 25 treesize of output 21 [2021-11-21 05:06:11,468 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 23 treesize of output 19 [2021-11-21 05:06:11,764 INFO L354 Elim1Store]: treesize reduction 120, result has 20.5 percent of original size [2021-11-21 05:06:11,765 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 71 treesize of output 87 [2021-11-21 05:06:11,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:11,804 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 61 treesize of output 22 [2021-11-21 05:06:12,500 INFO L354 Elim1Store]: treesize reduction 291, result has 19.6 percent of original size [2021-11-21 05:06:12,501 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 89 treesize of output 128 [2021-11-21 05:06:12,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,540 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 100 treesize of output 42 [2021-11-21 05:06:12,915 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-21 05:06:12,916 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 [2021-11-21 05:06:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:06:12,963 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 70 treesize of output 29 [2021-11-21 05:09:40,906 INFO L354 Elim1Store]: treesize reduction 874, result has 12.8 percent of original size [2021-11-21 05:09:40,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 184 treesize of output 246 [2021-11-21 05:09:41,151 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-21 05:09:41,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:09:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:09:41,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:09:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:09:41,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:09:41,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:09:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:09:41,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:09:41,494 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-21 05:09:41,495 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 113 treesize of output 48 [2021-11-21 05:11:00,423 INFO L354 Elim1Store]: treesize reduction 333, result has 0.9 percent of original size [2021-11-21 05:11:00,423 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 149 treesize of output 64 [2021-11-21 05:11:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:17:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:17:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 84 states and 176 transitions. [2021-11-21 05:17:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 176 transitions. [2021-11-21 05:17:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 05:17:43,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:17:43,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:17:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:17:44,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 05:17:44,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:17:44,378 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 21 treesize of output 17 [2021-11-21 05:17:44,392 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 [2021-11-21 05:17:44,814 INFO L354 Elim1Store]: treesize reduction 120, result has 20.5 percent of original size [2021-11-21 05:17:44,814 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 71 treesize of output 87 [2021-11-21 05:17:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:44,852 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 46 treesize of output 19 [2021-11-21 05:17:45,286 INFO L354 Elim1Store]: treesize reduction 291, result has 19.6 percent of original size [2021-11-21 05:17:45,287 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 89 treesize of output 128 [2021-11-21 05:17:45,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,316 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 68 treesize of output 25 [2021-11-21 05:17:45,494 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-21 05:17:45,494 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 [2021-11-21 05:17:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:17:45,555 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 65 treesize of output 30