./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB --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 aa468cdeacc2d7780833e7258ebf99c7e35f22152fb9ab283fc568491a2af1a1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:45:05,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:05,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:05,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:05,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:05,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:05,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:05,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:05,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:05,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:05,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:05,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:05,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:05,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:05,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:05,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:05,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:05,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:05,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:05,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:05,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:05,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:05,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:05,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:05,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:05,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:05,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:05,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:05,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:05,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:05,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:05,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:05,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:05,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:05,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:05,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:05,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:05,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:05,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:05,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:05,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:05,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:05,463 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:05,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:05,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:05,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:05,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:05,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:05,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:05,469 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:05,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:05,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:05,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:05,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:05,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:05,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:05,473 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:05,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:05,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:05,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:05,474 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:05,474 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:05,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:05,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:05,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:05,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:05,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:05,476 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:05,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:05,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:05,477 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_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa468cdeacc2d7780833e7258ebf99c7e35f22152fb9ab283fc568491a2af1a1 [2022-10-17 16:45:05,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:05,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:05,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:05,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:05,829 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:05,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c [2022-10-17 16:45:05,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/data/8953bbc3d/086b291f79bb4abbbd3808f95ffe6008/FLAG1fcd1ff44 [2022-10-17 16:45:06,926 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:06,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/sv-benchmarks/c/eca-rers2012/Problem04_label55.c [2022-10-17 16:45:06,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/data/8953bbc3d/086b291f79bb4abbbd3808f95ffe6008/FLAG1fcd1ff44 [2022-10-17 16:45:06,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/data/8953bbc3d/086b291f79bb4abbbd3808f95ffe6008 [2022-10-17 16:45:06,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:06,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:06,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:06,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:06,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:06,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:06" (1/1) ... [2022-10-17 16:45:06,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dde5dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:06, skipping insertion in model container [2022-10-17 16:45:06,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:06" (1/1) ... [2022-10-17 16:45:06,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:07,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:08,665 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_dbbd3566-3c6b-4d15-9431-4b645193242e/sv-benchmarks/c/eca-rers2012/Problem04_label55.c[178827,178840] [2022-10-17 16:45:08,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:08,711 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:09,440 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_dbbd3566-3c6b-4d15-9431-4b645193242e/sv-benchmarks/c/eca-rers2012/Problem04_label55.c[178827,178840] [2022-10-17 16:45:09,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:09,513 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:09,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09 WrapperNode [2022-10-17 16:45:09,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:09,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:09,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:09,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:09,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:09,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:09,809 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2022-10-17 16:45:09,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:09,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:09,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:09,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:09,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:09,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:09,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:09,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:10,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:10,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:10,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:10,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:10,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:10,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:10,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:10,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:10,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:09" (1/1) ... [2022-10-17 16:45:10,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:10,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:10,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:10,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbbd3566-3c6b-4d15-9431-4b645193242e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:10,430 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:10,432 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:15,389 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:15,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:15,851 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:45:15,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:15 BoogieIcfgContainer [2022-10-17 16:45:15,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:15,860 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:15,861 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:15,872 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:15,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:15" (1/1) ... [2022-10-17 16:45:15,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:15,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2022-10-17 16:45:15,968 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2022-10-17 16:45:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2022-10-17 16:45:15,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:15,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1482 states and 2233 transitions. [2022-10-17 16:45:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2233 transitions. [2022-10-17 16:45:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2022-10-17 16:45:31,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:31,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat