./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array23_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/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_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/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_3a493559-f112-4dbe-84ea-4d9af97da211/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 e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:59:30,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:59:30,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:59:30,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:59:30,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:59:30,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:59:30,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:59:30,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:59:30,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:59:30,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:59:30,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:59:30,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:59:30,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:59:30,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:59:30,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:59:30,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:59:30,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:59:30,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:59:30,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:59:30,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:59:30,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:59:30,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:59:30,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:59:30,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:59:30,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:59:30,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:59:30,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:59:30,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:59:30,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:59:30,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:59:30,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:59:30,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:59:30,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:59:30,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:59:30,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:59:30,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:59:30,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:59:30,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:59:30,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:59:30,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:59:30,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:59:30,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:59:30,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:59:30,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:59:30,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:59:30,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:59:30,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:59:30,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:59:30,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:59:30,630 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:59:30,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:59:30,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:59:30,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:59:30,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:59:30,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:59:30,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:59:30,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:59:30,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:59:30,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:59:30,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:59:30,633 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:59:30,633 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:59:30,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:59:30,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:59:30,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:59:30,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:59:30,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:59:30,635 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:59:30,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:59:30,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:59:30,636 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_3a493559-f112-4dbe-84ea-4d9af97da211/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2021-11-21 04:59:30,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:59:30,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:59:30,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:59:30,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:59:30,984 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:59:30,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-patterns/array23_pattern.c [2021-11-21 04:59:31,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/data/11f5ca083/a7d143232c7649d381b64d80e0242413/FLAG3abfe327e [2021-11-21 04:59:31,603 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:59:31,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/sv-benchmarks/c/array-patterns/array23_pattern.c [2021-11-21 04:59:31,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/data/11f5ca083/a7d143232c7649d381b64d80e0242413/FLAG3abfe327e [2021-11-21 04:59:31,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/data/11f5ca083/a7d143232c7649d381b64d80e0242413 [2021-11-21 04:59:31,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:59:31,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:59:31,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:59:31,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:59:31,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:59:31,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:31" (1/1) ... [2021-11-21 04:59:31,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147232f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:31, skipping insertion in model container [2021-11-21 04:59:31,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:31" (1/1) ... [2021-11-21 04:59:31,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:59:32,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:59:32,178 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_3a493559-f112-4dbe-84ea-4d9af97da211/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2021-11-21 04:59:32,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:59:32,209 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:59:32,219 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_3a493559-f112-4dbe-84ea-4d9af97da211/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2021-11-21 04:59:32,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:59:32,246 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:59:32,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32 WrapperNode [2021-11-21 04:59:32,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:59:32,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:59:32,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:59:32,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:59:32,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,288 INFO L137 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2021-11-21 04:59:32,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:59:32,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:59:32,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:59:32,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:59:32,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:59:32,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:59:32,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:59:32,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:59:32,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:59:32,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:59:32,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:59:32,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a493559-f112-4dbe-84ea-4d9af97da211/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:59:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-11-21 04:59:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-11-21 04:59:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:59:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 04:59:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 04:59:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:59:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:59:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:59:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:59:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:59:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:59:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:59:32,518 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:59:32,520 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:59:32,755 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:59:32,887 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:59:32,887 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 04:59:32,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:32 BoogieIcfgContainer [2021-11-21 04:59:32,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:59:32,891 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:59:32,891 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:59:32,903 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:59:32,903 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:32" (1/1) ... [2021-11-21 04:59:32,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:59:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:32,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-21 04:59:32,970 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-21 04:59:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:59:32,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:32,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:33,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:59:33,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:33,179 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 04:59:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-21 04:59:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-21 04:59:33,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:59:33,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:33,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:33,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:59:33,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:59:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2021-11-21 04:59:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2021-11-21 04:59:33,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:59:33,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:33,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:33,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 04:59:33,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:59:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2021-11-21 04:59:33,770 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2021-11-21 04:59:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:59:33,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:33,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:33,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 04:59:33,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:59:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2021-11-21 04:59:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2021-11-21 04:59:34,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 04:59:34,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:34,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:34,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 04:59:34,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 04:59:34,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:34,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2021-11-21 04:59:34,805 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2021-11-21 04:59:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:59:34,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:34,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:34,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 04:59:34,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 04:59:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 65 states and 107 transitions. [2021-11-21 04:59:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 107 transitions. [2021-11-21 04:59:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:59:35,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:35,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:35,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 04:59:35,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 04:59:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2021-11-21 04:59:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2021-11-21 04:59:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:59:35,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:35,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:35,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:59:35,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:59:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2021-11-21 04:59:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2021-11-21 04:59:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:59:35,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:35,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:35,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:59:35,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:59:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2021-11-21 04:59:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2021-11-21 04:59:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:59:36,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:36,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:36,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:59:36,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:59:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2021-11-21 04:59:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2021-11-21 04:59:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:59:37,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:37,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:37,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:59:37,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:59:38,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2021-11-21 04:59:38,578 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2021-11-21 04:59:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:59:38,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:38,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:38,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:59:38,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:59:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2021-11-21 04:59:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2021-11-21 04:59:38,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 04:59:38,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:38,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:38,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:59:38,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:59:39,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2021-11-21 04:59:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2021-11-21 04:59:39,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:59:39,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:39,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:39,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:59:39,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:59:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 91 transitions. [2021-11-21 04:59:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2021-11-21 04:59:40,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 04:59:40,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:40,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:40,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:59:40,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:59:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2021-11-21 04:59:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2021-11-21 04:59:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 04:59:40,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:40,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:40,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:59:40,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:59:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 96 transitions. [2021-11-21 04:59:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2021-11-21 04:59:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 04:59:41,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:41,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:41,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 04:59:41,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:41,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-21 04:59:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:42,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2021-11-21 04:59:42,192 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2021-11-21 04:59:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 04:59:42,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:42,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:43,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 86 conjunts are in the unsatisfiable core [2021-11-21 04:59:43,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:59:43,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-21 04:59:43,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-21 04:59:43,530 INFO L354 Elim1Store]: treesize reduction 144, result has 19.6 percent of original size [2021-11-21 04:59:43,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 97 [2021-11-21 04:59:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:43,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 21 [2021-11-21 04:59:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:43,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 24 [2021-11-21 04:59:44,115 INFO L354 Elim1Store]: treesize reduction 190, result has 14.8 percent of original size [2021-11-21 04:59:44,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 98 [2021-11-21 04:59:44,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 26 [2021-11-21 04:59:44,428 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-21 04:59:44,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-21 04:59:44,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 04:59:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 04:59:44,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 42 [2021-11-21 05:01:00,381 INFO L354 Elim1Store]: treesize reduction 419, result has 30.9 percent of original size [2021-11-21 05:01:00,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 107 treesize of output 260 [2021-11-21 05:01:00,550 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:01:00,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:01:01,636 INFO L354 Elim1Store]: treesize reduction 150, result has 22.3 percent of original size [2021-11-21 05:01:01,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 377 treesize of output 308 [2021-11-21 05:01:59,663 INFO L354 Elim1Store]: treesize reduction 1514, result has 18.6 percent of original size [2021-11-21 05:01:59,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 392 treesize of output 581 [2021-11-21 05:01:59,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:01:59,950 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-11-21 05:01:59,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 47 [2021-11-21 05:02:03,305 INFO L354 Elim1Store]: treesize reduction 3400, result has 5.5 percent of original size [2021-11-21 05:02:03,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 1161 treesize of output 909 [2021-11-21 05:02:03,338 INFO L354 Elim1Store]: treesize reduction 1379, result has 0.1 percent of original size [2021-11-21 05:02:03,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 1017 treesize of output 627 [2021-11-21 05:02:51,120 INFO L354 Elim1Store]: treesize reduction 1566, result has 2.2 percent of original size [2021-11-21 05:02:51,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 465 treesize of output 186 [2021-11-21 05:02:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 36 refuted. 2 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:10:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:10:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 75 states and 149 transitions. [2021-11-21 05:10:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 149 transitions. [2021-11-21 05:10:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:10:58,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:10:58,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:10:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:10:59,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-21 05:10:59,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:10:59,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-21 05:10:59,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-21 05:10:59,214 INFO L354 Elim1Store]: treesize reduction 132, result has 21.0 percent of original size [2021-11-21 05:10:59,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2021-11-21 05:10:59,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:10:59,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 21 [2021-11-21 05:10:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:10:59,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 24 [2021-11-21 05:11:00,261 INFO L354 Elim1Store]: treesize reduction 158, result has 17.3 percent of original size [2021-11-21 05:11:00,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 70 treesize of output 90 [2021-11-21 05:11:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:00,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2021-11-21 05:11:00,938 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-21 05:11:00,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-21 05:11:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:11:01,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 23 [2021-11-21 05:12:24,070 INFO L354 Elim1Store]: treesize reduction 419, result has 30.9 percent of original size [2021-11-21 05:12:24,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 107 treesize of output 260 [2021-11-21 05:12:24,140 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:12:24,355 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:12:24,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 05:12:25,662 INFO L354 Elim1Store]: treesize reduction 150, result has 22.3 percent of original size [2021-11-21 05:12:25,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 347 treesize of output 308 [2021-11-21 05:12:50,065 INFO L354 Elim1Store]: treesize reduction 1514, result has 18.6 percent of original size [2021-11-21 05:12:50,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 392 treesize of output 581 [2021-11-21 05:12:50,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,309 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-11-21 05:12:50,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 47 [2021-11-21 05:12:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 05:12:50,564 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 05:12:50,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 164 treesize of output 167 [2021-11-21 05:12:50,719 INFO L354 Elim1Store]: treesize reduction 220, result has 0.5 percent of original size [2021-11-21 05:12:50,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 433 treesize of output 285 [2021-11-21 05:13:25,296 INFO L354 Elim1Store]: treesize reduction 1566, result has 2.2 percent of original size [2021-11-21 05:13:25,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 465 treesize of output 186 [2021-11-21 05:13:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 36 refuted. 2 times theorem prover too weak. 2 trivial. 0 not checked.