./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.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_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/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_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/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_4d143120-41b2-409f-bc7c-147ac07196b4/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 f668bcf95cb3f7c5766f9dcc6b0650136e6fca9e506098f3960957e6cecfca84 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:30,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:30,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:30,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:30,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:30,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:30,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:30,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:30,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:30,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:30,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:30,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:30,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:30,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:30,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:30,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:30,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:30,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:30,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:30,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:30,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:30,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:30,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:30,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:30,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:30,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:30,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:30,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:30,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:30,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:30,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:30,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:30,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:30,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:30,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:30,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:30,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:30,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:30,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:30,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:30,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:30,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:09:30,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:30,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:30,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:09:30,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:09:30,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:30,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:30,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:30,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:30,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:30,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:30,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:30,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:09:30,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:30,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:09:30,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:30,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:09:30,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:30,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:09:30,968 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:30,969 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:30,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:30,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:30,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:30,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:30,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:09:30,970 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:30,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:30,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:09:30,971 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_4d143120-41b2-409f-bc7c-147ac07196b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f668bcf95cb3f7c5766f9dcc6b0650136e6fca9e506098f3960957e6cecfca84 [2021-11-22 23:09:31,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:31,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:31,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:31,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:31,266 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:31,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2021-11-22 23:09:31,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/data/264187421/1ece233de8064143aa69fcaa99117d70/FLAG3df6937f8 [2021-11-22 23:09:31,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:31,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2021-11-22 23:09:31,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/data/264187421/1ece233de8064143aa69fcaa99117d70/FLAG3df6937f8 [2021-11-22 23:09:32,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/data/264187421/1ece233de8064143aa69fcaa99117d70 [2021-11-22 23:09:32,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:32,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:32,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:32,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:32,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:32,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:32,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fc775a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32, skipping insertion in model container [2021-11-22 23:09:32,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:32,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:32,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:32,560 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_4d143120-41b2-409f-bc7c-147ac07196b4/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2021-11-22 23:09:32,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:32,741 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:32,771 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_4d143120-41b2-409f-bc7c-147ac07196b4/sv-benchmarks/c/eca-rers2012/Problem10_label23.c[5328,5341] [2021-11-22 23:09:32,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:32,875 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:32,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32 WrapperNode [2021-11-22 23:09:32,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:32,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:32,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:32,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:32,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:32,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:32,959 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-11-22 23:09:32,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:32,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:32,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:32,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:32,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:32,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:32,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:32,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:33,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:33,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:33,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:33,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:33,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:33,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:33,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:33,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:32" (1/1) ... [2021-11-22 23:09:33,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:33,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:33,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:33,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:09:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:09:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:33,183 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:33,184 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:34,314 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:36,196 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:36,196 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:09:36,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:36 BoogieIcfgContainer [2021-11-22 23:09:36,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:36,200 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:36,200 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:36,211 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:36,212 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:36" (1/1) ... [2021-11-22 23:09:36,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-22 23:09:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-22 23:09:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:09:36,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:36,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-22 23:09:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-22 23:09:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:09:36,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:36,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:37,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-22 23:09:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-22 23:09:37,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:37,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:37,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:38,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-22 23:09:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-22 23:09:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:38,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:38,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:39,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:39,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2021-11-22 23:09:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-11-22 23:09:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:39,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:39,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:09:40,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2021-11-22 23:09:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2021-11-22 23:09:40,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:40,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:40,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:41,151 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:09:41,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2021-11-22 23:09:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2021-11-22 23:09:41,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:09:41,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:41,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:09:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2021-11-22 23:09:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2021-11-22 23:09:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:09:42,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:42,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:09:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-11-22 23:09:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-11-22 23:09:42,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:09:42,930 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-11-22 23:09:42,941 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:09:43,278 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2021-11-22 23:09:43,294 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:09:43,294 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-22 23:09:43,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:09:43 ImpRootNode [2021-11-22 23:09:43,297 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:09:43,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:09:43,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:09:43,298 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:09:43,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:36" (3/4) ... [2021-11-22 23:09:43,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:09:43,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2021-11-22 23:09:43,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-22 23:09:43,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-22 23:09:43,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:09:43,511 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:09:43,512 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:09:43,513 INFO L158 Benchmark]: Toolchain (without parser) took 11334.41ms. Allocated memory was 86.0MB in the beginning and 494.9MB in the end (delta: 408.9MB). Free memory was 50.1MB in the beginning and 197.1MB in the end (delta: -147.0MB). Peak memory consumption was 260.2MB. Max. memory is 16.1GB. [2021-11-22 23:09:43,513 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:09:43,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.45ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 49.9MB in the beginning and 70.4MB in the end (delta: -20.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:09:43,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.92ms. Allocated memory is still 111.1MB. Free memory was 70.4MB in the beginning and 62.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:09:43,515 INFO L158 Benchmark]: Boogie Preprocessor took 75.96ms. Allocated memory is still 111.1MB. Free memory was 62.7MB in the beginning and 57.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:09:43,516 INFO L158 Benchmark]: RCFGBuilder took 3161.61ms. Allocated memory was 111.1MB in the beginning and 260.0MB in the end (delta: 148.9MB). Free memory was 57.9MB in the beginning and 180.1MB in the end (delta: -122.2MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2021-11-22 23:09:43,516 INFO L158 Benchmark]: CodeCheck took 7097.16ms. Allocated memory was 260.0MB in the beginning and 494.9MB in the end (delta: 234.9MB). Free memory was 180.1MB in the beginning and 212.7MB in the end (delta: -32.6MB). Peak memory consumption was 202.2MB. Max. memory is 16.1GB. [2021-11-22 23:09:43,517 INFO L158 Benchmark]: Witness Printer took 214.12ms. Allocated memory is still 494.9MB. Free memory was 212.7MB in the beginning and 197.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:09:43,520 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: 6.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 308 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 693 IncrementalHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 124 mSDtfsCounter, 693 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1055 GetRequests, 925 SyntacticMatches, 64 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2047 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 68/122 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: 152]: 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: ((((8 <= a19 || a19 <= 6) && 14 == a4) && a12 == 0) || ((0 <= a1 + 12 && 14 == a4) && a12 == 0)) || ((!(a10 == 1) && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && ((!(a10 == 1) || (a1 <= 218 && 38 < a1)) || !(7 == a19))) && a12 == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.45ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 49.9MB in the beginning and 70.4MB in the end (delta: -20.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.92ms. Allocated memory is still 111.1MB. Free memory was 70.4MB in the beginning and 62.7MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.96ms. Allocated memory is still 111.1MB. Free memory was 62.7MB in the beginning and 57.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3161.61ms. Allocated memory was 111.1MB in the beginning and 260.0MB in the end (delta: 148.9MB). Free memory was 57.9MB in the beginning and 180.1MB in the end (delta: -122.2MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. * CodeCheck took 7097.16ms. Allocated memory was 260.0MB in the beginning and 494.9MB in the end (delta: 234.9MB). Free memory was 180.1MB in the beginning and 212.7MB in the end (delta: -32.6MB). Peak memory consumption was 202.2MB. Max. memory is 16.1GB. * Witness Printer took 214.12ms. Allocated memory is still 494.9MB. Free memory was 212.7MB in the beginning and 197.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:09:43,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d143120-41b2-409f-bc7c-147ac07196b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE