./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/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_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array10_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/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_ddada9fd-1b55-451c-83bc-1746e6347a48/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 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:00:41,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:00:41,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:00:41,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:00:41,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:00:41,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:00:41,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:00:41,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:00:41,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:00:41,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:00:41,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:00:41,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:00:41,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:00:41,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:00:41,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:00:41,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:00:41,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:00:41,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:00:41,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:00:41,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:00:41,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:00:41,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:00:41,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:00:41,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:00:41,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:00:41,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:00:41,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:00:41,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:00:41,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:00:41,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:00:41,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:00:41,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:00:41,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:00:41,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:00:41,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:00:41,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:00:41,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:00:41,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:00:41,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:00:41,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:00:41,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:00:41,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:00:42,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:00:42,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:00:42,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:00:42,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:00:42,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:00:42,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:00:42,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:00:42,024 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:00:42,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:00:42,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:00:42,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:00:42,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:00:42,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:00:42,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:00:42,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:00:42,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:00:42,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:00:42,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:00:42,027 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:00:42,027 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:00:42,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:00:42,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:00:42,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:00:42,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:00:42,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:00:42,029 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:00:42,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:00:42,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:00:42,029 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_ddada9fd-1b55-451c-83bc-1746e6347a48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f [2021-11-21 05:00:42,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:00:42,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:00:42,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:00:42,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:00:42,333 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:00:42,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-patterns/array10_pattern.c [2021-11-21 05:00:42,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/data/47c53cd1f/bd94743df8284b90b60e2c02bbf76d2b/FLAGcbf71f81c [2021-11-21 05:00:42,869 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:00:42,872 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/sv-benchmarks/c/array-patterns/array10_pattern.c [2021-11-21 05:00:42,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/data/47c53cd1f/bd94743df8284b90b60e2c02bbf76d2b/FLAGcbf71f81c [2021-11-21 05:00:43,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/data/47c53cd1f/bd94743df8284b90b60e2c02bbf76d2b [2021-11-21 05:00:43,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:00:43,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:00:43,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:00:43,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:00:43,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:00:43,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c426aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43, skipping insertion in model container [2021-11-21 05:00:43,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:00:43,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:00:43,496 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_ddada9fd-1b55-451c-83bc-1746e6347a48/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2021-11-21 05:00:43,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:00:43,527 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:00:43,541 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_ddada9fd-1b55-451c-83bc-1746e6347a48/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2021-11-21 05:00:43,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:00:43,567 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:00:43,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43 WrapperNode [2021-11-21 05:00:43,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:00:43,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:00:43,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:00:43,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:00:43,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,612 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2021-11-21 05:00:43,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:00:43,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:00:43,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:00:43,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:00:43,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:00:43,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:00:43,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:00:43,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:00:43,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:00:43" (1/1) ... [2021-11-21 05:00:43,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:00:43,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:00:43,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:00:43,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddada9fd-1b55-451c-83bc-1746e6347a48/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:00:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:00:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 05:00:43,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 05:00:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:00:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:00:43,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:00:43,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:00:43,848 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:00:43,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:00:44,099 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:00:44,192 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:00:44,192 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 05:00:44,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:44 BoogieIcfgContainer [2021-11-21 05:00:44,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:00:44,197 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:00:44,197 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:00:44,232 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:00:44,232 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:00:44" (1/1) ... [2021-11-21 05:00:44,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:00:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-21 05:00:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-21 05:00:44,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:00:44,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:44,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:44,607 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 05:00:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:44,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-21 05:00:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-21 05:00:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:00:44,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:44,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:44,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:00:44,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-21 05:00:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-21 05:00:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:00:45,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:45,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:45,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 05:00:45,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:00:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-21 05:00:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-21 05:00:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:00:45,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:00:45,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:00:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:00:45,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 05:00:45,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:00:45,625 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 [2021-11-21 05:00:45,735 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 [2021-11-21 05:00:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,024 INFO L354 Elim1Store]: treesize reduction 1127, result has 10.5 percent of original size [2021-11-21 05:00:47,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 12 new quantified variables, introduced 27 case distinctions, treesize of input 898 treesize of output 759 [2021-11-21 05:00:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,556 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 78 treesize of output 47 [2021-11-21 05:00:47,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,657 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 76 treesize of output 45 [2021-11-21 05:00:47,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,740 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 91 treesize of output 53 [2021-11-21 05:00:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,774 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 111 treesize of output 65 [2021-11-21 05:00:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,798 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 182 treesize of output 101 [2021-11-21 05:00:47,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:47,982 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 44 [2021-11-21 05:00:47,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:00:48,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:48,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:00:48,004 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 122 treesize of output 52 [2021-11-21 05:00:48,235 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 05:00:48,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2021-11-21 05:00:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:00:59,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 05:01:09,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 05:01:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2021-11-21 05:01:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2021-11-21 05:01:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:01:09,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:09,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:09,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 05:01:09,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:01:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:01:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:01:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 38 transitions. [2021-11-21 05:01:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-11-21 05:01:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:01:11,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:01:11,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:01:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:01:11,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 05:01:11,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:01:11,518 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 [2021-11-21 05:01:11,606 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 [2021-11-21 05:01:11,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:11,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2021-11-21 05:01:12,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:12,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:13,272 INFO L354 Elim1Store]: treesize reduction 822, result has 20.3 percent of original size [2021-11-21 05:01:13,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 365 treesize of output 455 [2021-11-21 05:01:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:14,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 54 [2021-11-21 05:01:15,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:01:15,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:15,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:01:15,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:15,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:15,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:01:15,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:15,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 66 [2021-11-21 05:01:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 46 [2021-11-21 05:01:16,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:01:16,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:16,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:01:16,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 82 [2021-11-21 05:01:21,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 376 treesize of output 306 [2021-11-21 05:01:21,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:21,492 INFO L354 Elim1Store]: treesize reduction 28, result has 9.7 percent of original size [2021-11-21 05:01:21,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 408 treesize of output 270 [2021-11-21 05:02:41,128 INFO L354 Elim1Store]: treesize reduction 247, result has 10.8 percent of original size [2021-11-21 05:02:41,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 353 treesize of output 252 [2021-11-21 05:02:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:05:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:05:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 64 transitions. [2021-11-21 05:05:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2021-11-21 05:05:03,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:05:03,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:05:03,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:05:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:05:03,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 05:05:03,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:05:03,171 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 [2021-11-21 05:05:03,204 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 [2021-11-21 05:05:03,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:03,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2021-11-21 05:05:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:04,421 INFO L354 Elim1Store]: treesize reduction 822, result has 20.3 percent of original size [2021-11-21 05:05:04,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 365 treesize of output 455 [2021-11-21 05:05:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:05:05,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 68 [2021-11-21 05:05:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:05:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:05:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:05,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 91 [2021-11-21 05:05:05,878 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:05:06,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:06,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:06,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:06,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:06,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:06,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:06,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:06,103 INFO L354 Elim1Store]: treesize reduction 28, result has 9.7 percent of original size [2021-11-21 05:05:06,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 126 [2021-11-21 05:05:08,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 05:05:08,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 67 [2021-11-21 05:05:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,516 INFO L354 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2021-11-21 05:05:08,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 133 treesize of output 1 [2021-11-21 05:05:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:08,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 58 [2021-11-21 05:05:09,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:09,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:09,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:09,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:09,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:05:09,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 437 treesize of output 266 [2021-11-21 05:09:40,501 INFO L354 Elim1Store]: treesize reduction 220, result has 15.1 percent of original size [2021-11-21 05:09:40,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 284 treesize of output 227