./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI --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 62d888471d056f6cd9411573d32e3ae9a40e666c4b036562384bced7989fece1 ............................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:57:31,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:57:31,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:57:32,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:57:32,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:57:32,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:57:32,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:57:32,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:57:32,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:57:32,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:57:32,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:57:32,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:57:32,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:57:32,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:57:32,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:57:32,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:57:32,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:57:32,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:57:32,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:57:32,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:57:32,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:57:32,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:57:32,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:57:32,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:57:32,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:57:32,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:57:32,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:57:32,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:57:32,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:57:32,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:57:32,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:57:32,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:57:32,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:57:32,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:57:32,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:57:32,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:57:32,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:57:32,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:57:32,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:57:32,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:57:32,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:57:32,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:57:32,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:57:32,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:57:32,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:57:32,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:57:32,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:57:32,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:57:32,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:57:32,161 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:57:32,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:57:32,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:57:32,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:57:32,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:57:32,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:57:32,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:57:32,167 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:57:32,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:57:32,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:57:32,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:57:32,168 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:57:32,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:57:32,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:57:32,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:57:32,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:57:32,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:57:32,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:57:32,170 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:57:32,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:57:32,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:57:32,172 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_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62d888471d056f6cd9411573d32e3ae9a40e666c4b036562384bced7989fece1 [2021-10-29 03:57:32,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:57:32,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:57:32,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:57:32,548 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:57:32,549 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:57:32,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c [2021-10-29 03:57:32,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/data/976365343/50c06a44d74e454ab99f4161593998e6/FLAGf85d4b2aa [2021-10-29 03:57:33,324 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:57:33,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/sv-benchmarks/c/eca-rers2012/Problem10_label35.c [2021-10-29 03:57:33,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/data/976365343/50c06a44d74e454ab99f4161593998e6/FLAGf85d4b2aa [2021-10-29 03:57:33,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/data/976365343/50c06a44d74e454ab99f4161593998e6 [2021-10-29 03:57:33,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:57:33,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:57:33,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:57:33,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:57:33,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:57:33,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:57:33" (1/1) ... [2021-10-29 03:57:33,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1284457c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:33, skipping insertion in model container [2021-10-29 03:57:33,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:57:33" (1/1) ... [2021-10-29 03:57:33,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:57:33,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:57:33,942 WARN L228 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_ecc991c4-3195-4bb9-bbc3-7ed649485d13/sv-benchmarks/c/eca-rers2012/Problem10_label35.c[5864,5877] [2021-10-29 03:57:34,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:57:34,148 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:57:34,186 WARN L228 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_ecc991c4-3195-4bb9-bbc3-7ed649485d13/sv-benchmarks/c/eca-rers2012/Problem10_label35.c[5864,5877] [2021-10-29 03:57:34,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:57:34,312 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:57:34,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34 WrapperNode [2021-10-29 03:57:34,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:57:34,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:57:34,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:57:34,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:57:34,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:57:34,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:57:34,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:57:34,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:57:34,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:57:34,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:57:34,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:57:34,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:57:34,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:57:34" (1/1) ... [2021-10-29 03:57:34,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:57:34,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:57:34,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:57:34,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:57:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:57:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:57:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:57:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:57:45,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:57:45,109 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:57:45,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:45 BoogieIcfgContainer [2021-10-29 03:57:45,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:57:45,115 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:57:45,116 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:57:45,126 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:57:45,126 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:45" (1/1) ... [2021-10-29 03:57:45,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:57:45,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:57:45,191 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:57:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:57:45,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:45,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:57:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:57:45,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:57:45,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:45,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:46,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-10-29 03:57:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-10-29 03:57:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:57:46,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:46,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2021-10-29 03:57:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2021-10-29 03:57:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:57:48,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:48,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:57:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:49,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-10-29 03:57:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-10-29 03:57:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:57:49,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:49,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:57:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2021-10-29 03:57:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2021-10-29 03:57:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:57:51,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:51,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:57:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2021-10-29 03:57:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2021-10-29 03:57:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:57:51,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:51,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 03:57:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2021-10-29 03:57:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2021-10-29 03:57:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:57:52,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:52,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 03:57:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2021-10-29 03:57:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2021-10-29 03:57:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:57:55,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:57:55,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:57:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:57:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 03:57:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:57:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-10-29 03:57:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-10-29 03:57:57,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:57:57,196 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-10-29 03:57:57,203 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:57:57,677 INFO L565 CodeCheckObserver]: Invariant with dag size 24 [2021-10-29 03:57:57,691 INFO L565 CodeCheckObserver]: Invariant with dag size 21 [2021-10-29 03:57:57,692 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:57:57,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:57:57 ImpRootNode [2021-10-29 03:57:57,694 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:57:57,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:57:57,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:57:57,695 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:57:57,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:57:45" (3/4) ... [2021-10-29 03:57:57,699 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:57:57,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2021-10-29 03:57:57,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 03:57:57,730 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:57:57,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:57:57,934 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:57:57,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:57:57,936 INFO L168 Benchmark]: Toolchain (without parser) took 24358.64 ms. Allocated memory was 109.1 MB in the beginning and 853.5 MB in the end (delta: 744.5 MB). Free memory was 66.0 MB in the beginning and 429.7 MB in the end (delta: -363.7 MB). Peak memory consumption was 379.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:57,937 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 83.7 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:57:57,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.41 ms. Allocated memory is still 109.1 MB. Free memory was 65.8 MB in the beginning and 66.4 MB in the end (delta: -573.5 kB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:57,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.57 ms. Allocated memory is still 109.1 MB. Free memory was 66.4 MB in the beginning and 58.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:57,939 INFO L168 Benchmark]: Boogie Preprocessor took 125.86 ms. Allocated memory is still 109.1 MB. Free memory was 58.4 MB in the beginning and 53.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:57,941 INFO L168 Benchmark]: RCFGBuilder took 10570.93 ms. Allocated memory was 109.1 MB in the beginning and 404.8 MB in the end (delta: 295.7 MB). Free memory was 53.4 MB in the beginning and 324.9 MB in the end (delta: -271.4 MB). Peak memory consumption was 225.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:57,941 INFO L168 Benchmark]: CodeCheck took 12578.52 ms. Allocated memory was 404.8 MB in the beginning and 853.5 MB in the end (delta: 448.8 MB). Free memory was 324.9 MB in the beginning and 445.4 MB in the end (delta: -120.5 MB). Peak memory consumption was 329.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:57,942 INFO L168 Benchmark]: Witness Printer took 240.13 ms. Allocated memory is still 853.5 MB. Free memory was 445.4 MB in the beginning and 429.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:57:57,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3096 SDtfs, 5488 SDslu, 4144 SDs, 0 SdLazy, 16872 SolverSat, 2688 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 1114 SyntacticMatches, 78 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4145 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 84/158 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 167]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && (0 <= a1 + 12 || !(a10 == 4))) || (((8 <= a19 || a19 <= 6) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && (((!(a10 == 4) || a19 <= 6) || 7 < a19) || 0 < a1 + 13) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 83.7 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 734.41 ms. Allocated memory is still 109.1 MB. Free memory was 65.8 MB in the beginning and 66.4 MB in the end (delta: -573.5 kB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.57 ms. Allocated memory is still 109.1 MB. Free memory was 66.4 MB in the beginning and 58.4 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 125.86 ms. Allocated memory is still 109.1 MB. Free memory was 58.4 MB in the beginning and 53.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10570.93 ms. Allocated memory was 109.1 MB in the beginning and 404.8 MB in the end (delta: 295.7 MB). Free memory was 53.4 MB in the beginning and 324.9 MB in the end (delta: -271.4 MB). Peak memory consumption was 225.6 MB. Max. memory is 16.1 GB. * CodeCheck took 12578.52 ms. Allocated memory was 404.8 MB in the beginning and 853.5 MB in the end (delta: 448.8 MB). Free memory was 324.9 MB in the beginning and 445.4 MB in the end (delta: -120.5 MB). Peak memory consumption was 329.2 MB. Max. memory is 16.1 GB. * Witness Printer took 240.13 ms. Allocated memory is still 853.5 MB. Free memory was 445.4 MB in the beginning and 429.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:57:57,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecc991c4-3195-4bb9-bbc3-7ed649485d13/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...