./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/pnr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ --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 c2f943c7ce97bf9be3e11b9d2df150d740ebe8f456342884d8ad0d40610fb008 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:35:58,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:35:58,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:35:58,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:35:58,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:35:58,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:35:58,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:35:58,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:35:58,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:35:58,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:35:58,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:35:58,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:35:58,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:35:58,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:35:58,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:35:58,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:35:58,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:35:58,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:35:58,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:35:58,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:35:58,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:35:58,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:35:58,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:35:58,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:35:58,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:35:58,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:35:58,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:35:58,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:35:58,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:35:58,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:35:58,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:35:58,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:35:58,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:35:58,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:35:58,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:35:58,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:35:58,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:35:58,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:35:58,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:35:58,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:35:58,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:35:58,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:35:58,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:35:58,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:35:58,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:35:58,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:35:58,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:35:58,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:35:58,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:35:58,419 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:35:58,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:35:58,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:35:58,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:35:58,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:35:58,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:35:58,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:35:58,422 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:35:58,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:35:58,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:35:58,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:35:58,423 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:35:58,423 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:35:58,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:35:58,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:35:58,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:35:58,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:35:58,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:35:58,425 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:35:58,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:35:58,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:35:58,425 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_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2f943c7ce97bf9be3e11b9d2df150d740ebe8f456342884d8ad0d40610fb008 [2021-11-23 01:35:58,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:35:58,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:35:58,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:35:58,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:35:58,761 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:35:58,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-tiling/pnr4.c [2021-11-23 01:35:58,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/data/8b862bf37/65bb6a7427ce4d4f87fd5ff89fab4502/FLAG5e57d1743 [2021-11-23 01:35:59,350 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:35:59,355 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/sv-benchmarks/c/array-tiling/pnr4.c [2021-11-23 01:35:59,366 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/data/8b862bf37/65bb6a7427ce4d4f87fd5ff89fab4502/FLAG5e57d1743 [2021-11-23 01:35:59,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/data/8b862bf37/65bb6a7427ce4d4f87fd5ff89fab4502 [2021-11-23 01:35:59,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:35:59,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:35:59,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:35:59,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:35:59,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:35:59,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:59" (1/1) ... [2021-11-23 01:35:59,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58308983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:59, skipping insertion in model container [2021-11-23 01:35:59,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:59" (1/1) ... [2021-11-23 01:35:59,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:35:59,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:35:59,987 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_9e56bd62-8b02-404c-8a43-2c5fc0aee072/sv-benchmarks/c/array-tiling/pnr4.c[395,408] [2021-11-23 01:36:00,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:00,019 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:36:00,030 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_9e56bd62-8b02-404c-8a43-2c5fc0aee072/sv-benchmarks/c/array-tiling/pnr4.c[395,408] [2021-11-23 01:36:00,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:00,060 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:36:00,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00 WrapperNode [2021-11-23 01:36:00,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:00,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:00,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:36:00,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:36:00,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,118 INFO L137 Inliner]: procedures = 17, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2021-11-23 01:36:00,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:00,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:36:00,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:36:00,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:36:00,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:36:00,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:36:00,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:36:00,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:36:00,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:00,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:36:00,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:36:00,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e56bd62-8b02-404c-8a43-2c5fc0aee072/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:36:00,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:36:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:36:00,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:36:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:36:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2021-11-23 01:36:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2021-11-23 01:36:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:36:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:36:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:36:00,332 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:36:00,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:36:00,695 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:36:00,768 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:36:00,769 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:36:00,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:00 BoogieIcfgContainer [2021-11-23 01:36:00,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:36:00,773 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:36:00,773 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:36:00,784 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:36:00,784 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:00" (1/1) ... [2021-11-23 01:36:00,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:36:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2021-11-23 01:36:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2021-11-23 01:36:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:36:00,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:00,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-23 01:36:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-23 01:36:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:36:01,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:01,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:36:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2021-11-23 01:36:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-11-23 01:36:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:36:02,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:02,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:36:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2021-11-23 01:36:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2021-11-23 01:36:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:36:04,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:36:07,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 104 transitions. [2021-11-23 01:36:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 104 transitions. [2021-11-23 01:36:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:36:07,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:36:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 70 states and 124 transitions. [2021-11-23 01:36:11,273 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 124 transitions. [2021-11-23 01:36:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:36:11,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:36:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 71 states and 126 transitions. [2021-11-23 01:36:11,773 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 126 transitions. [2021-11-23 01:36:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:36:11,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:36:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 93 states and 171 transitions. [2021-11-23 01:36:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 171 transitions. [2021-11-23 01:36:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:36:20,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:20,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:20,241 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:36:20,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 94 states and 173 transitions. [2021-11-23 01:36:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 173 transitions. [2021-11-23 01:36:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:36:20,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:20,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat