./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label01.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_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/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_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/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_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/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 1c37d32a33cb40c9afe6e04b3666819154b9d70eb1819b42c10fde7907ef957d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:29:30,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:29:30,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:29:30,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:29:30,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:29:30,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:29:30,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:29:30,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:29:30,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:29:30,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:29:30,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:29:30,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:29:30,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:29:30,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:29:30,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:29:30,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:29:30,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:29:30,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:29:30,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:29:30,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:29:30,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:29:30,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:29:30,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:29:30,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:29:30,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:29:30,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:29:30,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:29:30,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:29:30,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:29:30,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:29:30,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:29:30,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:29:30,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:29:30,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:29:30,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:29:30,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:29:30,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:29:30,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:29:30,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:29:30,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:29:30,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:29:30,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:29:30,780 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:29:30,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:29:30,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:29:30,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:29:30,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:29:30,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:29:30,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:29:30,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:29:30,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:29:30,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:29:30,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:29:30,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:29:30,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:29:30,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:29:30,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:29:30,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:29:30,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:29:30,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:29:30,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:29:30,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:29:30,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:29:30,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:30,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:29:30,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:29:30,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:29:30,790 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:29:30,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:29:30,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:29:30,790 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_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c37d32a33cb40c9afe6e04b3666819154b9d70eb1819b42c10fde7907ef957d [2021-11-23 01:29:31,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:29:31,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:29:31,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:29:31,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:29:31,124 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:29:31,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2021-11-23 01:29:31,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/data/a9e948c58/4813a4f9c85a40ce9e54eb7336db299f/FLAG281398ee3 [2021-11-23 01:29:31,804 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:29:31,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2021-11-23 01:29:31,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/data/a9e948c58/4813a4f9c85a40ce9e54eb7336db299f/FLAG281398ee3 [2021-11-23 01:29:32,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/data/a9e948c58/4813a4f9c85a40ce9e54eb7336db299f [2021-11-23 01:29:32,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:29:32,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:29:32,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:32,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:29:32,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:29:32,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:32,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f4afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32, skipping insertion in model container [2021-11-23 01:29:32,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:32,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:29:32,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:29:32,360 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_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/sv-benchmarks/c/eca-rers2012/Problem14_label01.c[5556,5569] [2021-11-23 01:29:32,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:32,601 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:29:32,639 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_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/sv-benchmarks/c/eca-rers2012/Problem14_label01.c[5556,5569] [2021-11-23 01:29:32,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:32,781 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:29:32,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32 WrapperNode [2021-11-23 01:29:32,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:32,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:32,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:29:32,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:29:32,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:32,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:32,918 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 01:29:32,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:32,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:29:32,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:29:32,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:29:32,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:32,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:32,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:32,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:32,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:33,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:33,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:33,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:29:33,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:29:33,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:29:33,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:29:33,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:32" (1/1) ... [2021-11-23 01:29:33,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:33,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:29:33,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:29:33,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:29:33,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:29:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:29:33,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:29:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:29:33,207 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:29:33,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:29:34,553 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:29:38,173 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:29:38,174 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:29:38,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:38 BoogieIcfgContainer [2021-11-23 01:29:38,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:29:38,178 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:29:38,178 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:29:38,188 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:29:38,188 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:38" (1/1) ... [2021-11-23 01:29:38,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:29:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:29:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:29:38,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:29:38,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:38,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:38,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-23 01:29:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-23 01:29:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:29:38,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:38,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:39,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 01:29:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 01:29:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:29:39,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:39,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-23 01:29:41,769 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-23 01:29:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:29:41,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:41,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2021-11-23 01:29:42,784 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2021-11-23 01:29:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:29:42,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:42,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:29:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2021-11-23 01:29:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2021-11-23 01:29:45,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:29:45,295 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-11-23 01:29:45,304 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:29:45,606 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2021-11-23 01:29:45,616 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:29:45,617 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2021-11-23 01:29:45,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:29:45 ImpRootNode [2021-11-23 01:29:45,618 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:29:45,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:29:45,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:29:45,619 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:29:45,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:38" (3/4) ... [2021-11-23 01:29:45,623 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:29:45,651 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 224 nodes and edges [2021-11-23 01:29:45,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 01:29:45,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 01:29:45,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:29:45,852 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:29:45,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:29:45,853 INFO L158 Benchmark]: Toolchain (without parser) took 13800.55ms. Allocated memory was 115.3MB in the beginning and 947.9MB in the end (delta: 832.6MB). Free memory was 77.2MB in the beginning and 632.3MB in the end (delta: -555.1MB). Peak memory consumption was 278.0MB. Max. memory is 16.1GB. [2021-11-23 01:29:45,854 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 89.5MB in the beginning and 89.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:29:45,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.01ms. Allocated memory is still 115.3MB. Free memory was 77.2MB in the beginning and 68.7MB in the end (delta: 8.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:29:45,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.59ms. Allocated memory is still 115.3MB. Free memory was 68.7MB in the beginning and 58.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:29:45,856 INFO L158 Benchmark]: Boogie Preprocessor took 126.87ms. Allocated memory is still 115.3MB. Free memory was 58.9MB in the beginning and 52.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:29:45,857 INFO L158 Benchmark]: RCFGBuilder took 5129.79ms. Allocated memory was 115.3MB in the beginning and 474.0MB in the end (delta: 358.6MB). Free memory was 52.6MB in the beginning and 297.2MB in the end (delta: -244.6MB). Peak memory consumption was 158.4MB. Max. memory is 16.1GB. [2021-11-23 01:29:45,857 INFO L158 Benchmark]: CodeCheck took 7440.86ms. Allocated memory was 474.0MB in the beginning and 947.9MB in the end (delta: 474.0MB). Free memory was 297.2MB in the beginning and 653.4MB in the end (delta: -356.2MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. [2021-11-23 01:29:45,858 INFO L158 Benchmark]: Witness Printer took 233.40ms. Allocated memory is still 947.9MB. Free memory was 653.4MB in the beginning and 632.3MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:29:45,861 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: 7.1s, OverallIterations: 6, 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, 138 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 347 IncrementalHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 53 mSDtfsCounter, 347 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 519 GetRequests, 447 SyntacticMatches, 14 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1554 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 176]: 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: 30]: Loop Invariant Derived loop invariant: ((((5 < a15 || !(a24 == 1)) || a21 <= 7) || a15 <= 4) || 8 < a21) || 0 <= a12 + 42 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((9 <= a21 || 6 <= a15) || !(a24 == 1)) || a21 <= 7) || a15 <= 4) || 0 <= a12 + 42 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 89.5MB in the beginning and 89.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.01ms. Allocated memory is still 115.3MB. Free memory was 77.2MB in the beginning and 68.7MB in the end (delta: 8.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.59ms. Allocated memory is still 115.3MB. Free memory was 68.7MB in the beginning and 58.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.87ms. Allocated memory is still 115.3MB. Free memory was 58.9MB in the beginning and 52.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5129.79ms. Allocated memory was 115.3MB in the beginning and 474.0MB in the end (delta: 358.6MB). Free memory was 52.6MB in the beginning and 297.2MB in the end (delta: -244.6MB). Peak memory consumption was 158.4MB. Max. memory is 16.1GB. * CodeCheck took 7440.86ms. Allocated memory was 474.0MB in the beginning and 947.9MB in the end (delta: 474.0MB). Free memory was 297.2MB in the beginning and 653.4MB in the end (delta: -356.2MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. * Witness Printer took 233.40ms. Allocated memory is still 947.9MB. Free memory was 653.4MB in the beginning and 632.3MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:29:45,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e6681e7-57ac-48e8-95ed-bf1c0dc67100/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