./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.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_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/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_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/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_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/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 e82362cf624f0e845caa7a60d1834859999824a1181a9b545ac94ec06fd3aa08 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:10:16,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:10:16,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:10:16,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:10:16,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:10:16,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:10:16,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:10:16,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:10:16,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:10:16,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:10:16,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:10:16,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:10:16,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:10:16,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:10:16,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:10:16,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:10:16,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:10:16,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:10:16,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:10:16,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:10:16,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:10:16,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:10:16,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:10:16,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:10:16,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:10:16,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:10:16,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:10:16,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:10:16,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:10:16,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:10:16,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:10:16,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:10:16,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:10:16,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:10:16,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:10:16,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:10:16,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:10:16,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:10:16,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:10:16,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:10:16,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:10:16,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:10:16,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:10:16,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:10:16,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:10:16,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:10:16,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:10:16,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:10:16,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:10:16,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:10:16,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:10:16,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:10:16,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:10:16,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:10:16,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:10:16,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:10:16,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:10:16,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:10:16,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:10:16,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:10:16,468 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:10:16,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:10:16,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:10:16,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:10:16,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:10:16,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:10:16,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:10:16,470 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:10:16,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:10:16,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:10:16,470 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_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e82362cf624f0e845caa7a60d1834859999824a1181a9b545ac94ec06fd3aa08 [2021-11-23 01:10:16,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:10:16,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:10:16,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:10:16,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:10:16,778 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:10:16,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c [2021-11-23 01:10:16,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/data/bc9209a85/f03ed41fafb14aa498e99017cf4324fc/FLAGc95244493 [2021-11-23 01:10:17,340 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:10:17,341 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c [2021-11-23 01:10:17,366 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/data/bc9209a85/f03ed41fafb14aa498e99017cf4324fc/FLAGc95244493 [2021-11-23 01:10:17,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/data/bc9209a85/f03ed41fafb14aa498e99017cf4324fc [2021-11-23 01:10:17,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:10:17,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:10:17,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:10:17,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:10:17,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:10:17,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:17" (1/1) ... [2021-11-23 01:10:17,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701cc2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:17, skipping insertion in model container [2021-11-23 01:10:17,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:10:17" (1/1) ... [2021-11-23 01:10:17,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:10:17,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:10:18,050 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_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c[26481,26494] [2021-11-23 01:10:18,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:10:18,078 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:10:18,169 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_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c[26481,26494] [2021-11-23 01:10:18,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:10:18,199 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:10:18,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18 WrapperNode [2021-11-23 01:10:18,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:10:18,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:10:18,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:10:18,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:10:18,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,288 INFO L137 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 522 [2021-11-23 01:10:18,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:10:18,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:10:18,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:10:18,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:10:18,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:10:18,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:10:18,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:10:18,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:10:18,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:10:18" (1/1) ... [2021-11-23 01:10:18,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:10:18,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:10:18,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:10:18,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a4a0ab5-8651-4e8a-8a2b-020e94f09564/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:10:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:10:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:10:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:10:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:10:18,579 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:10:18,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:10:19,225 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:10:20,050 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:10:20,050 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:10:20,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:20 BoogieIcfgContainer [2021-11-23 01:10:20,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:10:20,055 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:10:20,055 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:10:20,065 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:10:20,066 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:10:20" (1/1) ... [2021-11-23 01:10:20,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:10:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:20,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:10:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:10:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:10:20,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:20,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:20,841 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 01:10:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:10:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:10:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:10:21,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:21,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:21,304 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 01:10:21,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:21,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:10:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:10:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:10:21,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:21,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:22,141 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 01:10:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-23 01:10:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-23 01:10:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:10:22,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:22,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:23,103 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 01:10:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-23 01:10:23,380 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-23 01:10:23,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:10:23,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:23,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2021-11-23 01:10:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2021-11-23 01:10:34,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:10:34,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:34,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2021-11-23 01:10:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2021-11-23 01:10:39,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:10:39,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:39,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2021-11-23 01:10:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2021-11-23 01:10:51,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:10:51,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:51,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:53,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:10:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:54,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2021-11-23 01:10:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2021-11-23 01:10:54,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:10:54,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:54,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:06,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:06,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 69 states and 133 transitions. [2021-11-23 01:11:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2021-11-23 01:11:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:11:06,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:06,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2021-11-23 01:11:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2021-11-23 01:11:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:11:18,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:18,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:20,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 83 states and 170 transitions. [2021-11-23 01:11:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 170 transitions. [2021-11-23 01:11:20,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:11:20,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:20,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 90 states and 183 transitions. [2021-11-23 01:11:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 183 transitions. [2021-11-23 01:11:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:11:24,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:24,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 91 states and 187 transitions. [2021-11-23 01:11:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 187 transitions. [2021-11-23 01:11:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:11:26,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:26,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 92 states and 187 transitions. [2021-11-23 01:11:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 187 transitions. [2021-11-23 01:11:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:11:27,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:27,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:27,723 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:28,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 93 states and 189 transitions. [2021-11-23 01:11:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 189 transitions. [2021-11-23 01:11:28,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:11:28,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:28,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 01:11:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:29,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 93 states and 188 transitions. [2021-11-23 01:11:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 188 transitions. [2021-11-23 01:11:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:11:29,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:29,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat