./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array10_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_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/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_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array10_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/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_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/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 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:04:46,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:04:46,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:04:46,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:04:46,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:04:46,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:04:46,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:04:46,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:04:46,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:04:46,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:04:46,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:04:46,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:04:46,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:04:46,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:04:46,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:04:46,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:04:46,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:04:46,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:04:46,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:04:46,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:04:46,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:04:46,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:04:46,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:04:46,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:04:46,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:04:46,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:04:46,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:04:46,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:04:46,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:04:46,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:04:46,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:04:46,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:04:46,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:04:46,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:04:46,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:04:46,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:04:46,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:04:46,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:04:46,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:04:46,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:04:46,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:04:46,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:04:46,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:04:46,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:04:46,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:04:46,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:04:46,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:04:46,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:04:46,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:04:46,984 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:04:46,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:04:46,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:04:46,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:04:46,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:04:46,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:04:46,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:04:46,993 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:04:46,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:04:46,993 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:04:46,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:04:46,993 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:04:46,994 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:04:46,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:04:46,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:46,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:04:46,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:04:46,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:04:46,995 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:04:46,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:04:46,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:04:46,996 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_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f [2021-11-13 21:04:47,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:04:47,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:04:47,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:04:47,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:04:47,322 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:04:47,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array10_pattern.c [2021-11-13 21:04:47,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/data/492110182/418da8eab7ce4ea7b7906dab1adeb459/FLAG60e406c84 [2021-11-13 21:04:47,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:04:47,808 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/sv-benchmarks/c/array-patterns/array10_pattern.c [2021-11-13 21:04:47,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/data/492110182/418da8eab7ce4ea7b7906dab1adeb459/FLAG60e406c84 [2021-11-13 21:04:48,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/data/492110182/418da8eab7ce4ea7b7906dab1adeb459 [2021-11-13 21:04:48,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:04:48,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:04:48,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:48,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:04:48,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:04:48,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd25ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48, skipping insertion in model container [2021-11-13 21:04:48,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:04:48,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:04:48,440 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_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2021-11-13 21:04:48,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:48,475 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:04:48,485 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_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2021-11-13 21:04:48,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:48,510 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:04:48,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48 WrapperNode [2021-11-13 21:04:48,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:48,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:48,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:04:48,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:04:48,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:48,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:04:48,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:04:48,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:04:48,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:04:48,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:04:48,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:04:48,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:04:48,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:48,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:04:48,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:04:48,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f42e8cb-0eba-4b78-ba07-87dbd45f0f27/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:04:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 21:04:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 21:04:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:04:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:04:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:04:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:04:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:04:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:04:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:04:48,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:04:48,987 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 21:04:48,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:48 BoogieIcfgContainer [2021-11-13 21:04:48,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:04:48,991 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:04:48,991 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:04:49,004 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:04:49,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:49,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:04:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-13 21:04:49,077 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-13 21:04:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:04:49,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:49,275 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 21:04:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-13 21:04:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-13 21:04:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:04:49,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:49,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 21:04:49,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:04:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-13 21:04:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-13 21:04:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:04:49,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:49,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:04:49,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:04:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-13 21:04:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-13 21:04:50,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:04:50,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:04:50,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:04:50,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:04:50,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:04:51,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:04:51,662 INFO L354 Elim1Store]: treesize reduction 563, result has 9.6 percent of original size [2021-11-13 21:04:51,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 299 [2021-11-13 21:04:52,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:04:52,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 42 [2021-11-13 21:04:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:04:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:04:52,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 43 [2021-11-13 21:04:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:04:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:04:52,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 44 [2021-11-13 21:04:55,028 INFO L354 Elim1Store]: treesize reduction 84, result has 7.7 percent of original size [2021-11-13 21:04:55,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 134 [2021-11-13 21:05:45,673 WARN L227 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 21:06:06,105 WARN L227 SmtUtils]: Spent 20.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 21:06:16,205 WARN L227 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 29 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 21:06:26,326 WARN L227 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 29 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 21:06:36,769 WARN L227 SmtUtils]: Spent 10.42s on a formula simplification that was a NOOP. DAG size: 29 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 21:06:57,251 WARN L227 SmtUtils]: Spent 20.48s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 21:06:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:20,264 WARN L227 SmtUtils]: Spent 20.17s on a formula simplification. DAG size of input: 32 DAG size of output: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 21:08:36,185 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 21:08:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2021-11-13 21:08:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2021-11-13 21:08:58,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:08:58,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:58,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:58,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:08:58,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:08:58,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:08:58,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 21:08:59,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:08:59,673 INFO L354 Elim1Store]: treesize reduction 557, result has 10.6 percent of original size [2021-11-13 21:08:59,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 305 [2021-11-13 21:09:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:00,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 46 [2021-11-13 21:09:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:00,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 36 [2021-11-13 21:09:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:00,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:00,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 50 [2021-11-13 21:09:03,475 INFO L354 Elim1Store]: treesize reduction 84, result has 7.7 percent of original size [2021-11-13 21:09:03,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 134 [2021-11-13 21:09:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2021-11-13 21:09:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2021-11-13 21:09:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:09:36,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:36,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:36,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:09:36,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:09:36,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:09:36,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 21:09:49,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:50,219 INFO L354 Elim1Store]: treesize reduction 547, result has 12.2 percent of original size [2021-11-13 21:09:50,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 315 [2021-11-13 21:09:50,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:50,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 35 [2021-11-13 21:09:50,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:50,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:50,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 47 [2021-11-13 21:09:52,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:52,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 21:09:52,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:09:52,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 51 [2021-11-13 21:10:28,202 INFO L354 Elim1Store]: treesize reduction 109, result has 6.0 percent of original size [2021-11-13 21:10:28,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 183 treesize of output 140 [2021-11-13 21:11:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:14:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:14:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 31 states and 67 transitions. [2021-11-13 21:14:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 67 transitions. [2021-11-13 21:14:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:14:43,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:14:43,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:14:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:14:43,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 21:14:43,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:14:43,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:14:43,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:15:02,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:15:02,386 INFO L354 Elim1Store]: treesize reduction 557, result has 10.6 percent of original size [2021-11-13 21:15:02,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 305 [2021-11-13 21:15:02,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:15:02,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 36 [2021-11-13 21:15:03,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:15:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:15:03,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 38 [2021-11-13 21:15:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:15:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:15:03,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 47 [2021-11-13 21:15:05,847 INFO L354 Elim1Store]: treesize reduction 84, result has 7.7 percent of original size [2021-11-13 21:15:05,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 134 [2021-11-13 21:15:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:16:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 31 states and 67 transitions. [2021-11-13 21:16:23,333 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 67 transitions. [2021-11-13 21:16:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:16:23,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:23,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:23,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:16:23,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:16:23,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:16:23,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:16:40,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:16:40,733 INFO L354 Elim1Store]: treesize reduction 563, result has 9.6 percent of original size [2021-11-13 21:16:40,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 299 [2021-11-13 21:16:40,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:16:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:16:41,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 46 [2021-11-13 21:16:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:16:41,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:16:41,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 43 [2021-11-13 21:16:41,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:16:41,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:16:41,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 50 [2021-11-13 21:16:49,090 INFO L354 Elim1Store]: treesize reduction 84, result has 7.7 percent of original size [2021-11-13 21:16:49,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 134 [2021-11-13 21:17:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:17:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:18,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 70 transitions. [2021-11-13 21:17:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 70 transitions. [2021-11-13 21:17:18,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:17:18,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:18,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:18,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-13 21:17:18,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:17:18,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:17:18,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2021-11-13 21:17:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:17:37,114 INFO L354 Elim1Store]: treesize reduction 551, result has 11.6 percent of original size [2021-11-13 21:17:37,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 311 [2021-11-13 21:17:37,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 21:17:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:17:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:17:37,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 53 [2021-11-13 21:17:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:17:37,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:17:37,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 45 [2021-11-13 21:17:37,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:17:37,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 53 [2021-11-13 21:17:40,741 INFO L354 Elim1Store]: treesize reduction 84, result has 7.7 percent of original size [2021-11-13 21:17:40,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 134 [2021-11-13 21:18:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:18:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:18:51,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 70 transitions. [2021-11-13 21:18:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 70 transitions. [2021-11-13 21:18:51,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:18:51,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:18:51,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:18:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:18:51,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 21:18:51,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:18:51,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 21:18:51,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 21:19:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:19:10,752 INFO L354 Elim1Store]: treesize reduction 557, result has 10.6 percent of original size [2021-11-13 21:19:10,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 347 treesize of output 305 [2021-11-13 21:19:11,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:19:11,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 39 [2021-11-13 21:19:11,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:19:11,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:19:11,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 44 [2021-11-13 21:19:11,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:19:11,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 21:19:11,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 44