./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label57.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_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/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_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/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_d580577b-c117-4371-9000-4b14e55f4ee4/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 994616d66ca033fc3fdb2ff90a3c12325be68b1e13dbd152dc58837c2705aec2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:37:13,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:37:13,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:37:13,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:37:13,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:37:13,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:37:13,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:37:13,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:37:13,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:37:13,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:37:13,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:37:13,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:37:13,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:37:13,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:37:13,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:37:13,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:37:13,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:37:13,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:37:13,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:37:13,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:37:13,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:37:13,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:37:13,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:37:13,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:37:13,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:37:13,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:37:13,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:37:13,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:37:13,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:37:13,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:37:13,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:37:13,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:37:13,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:37:13,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:37:13,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:37:13,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:37:13,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:37:13,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:37:13,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:37:13,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:37:13,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:37:13,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:37:13,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:37:13,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:37:13,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:37:13,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:37:13,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:37:13,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:37:13,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:37:13,797 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:37:13,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:37:13,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:37:13,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:37:13,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:37:13,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:37:13,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:37:13,798 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:37:13,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:37:13,799 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:37:13,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:37:13,799 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:37:13,799 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:37:13,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:37:13,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:13,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:37:13,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:37:13,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:37:13,801 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:37:13,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:37:13,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:37:13,802 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_d580577b-c117-4371-9000-4b14e55f4ee4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 994616d66ca033fc3fdb2ff90a3c12325be68b1e13dbd152dc58837c2705aec2 [2021-11-23 01:37:14,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:37:14,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:37:14,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:37:14,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:37:14,153 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:37:14,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2021-11-23 01:37:14,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/data/ba2ff7fd1/25d938817ce1468eb886543751f8a8cb/FLAGe3e300d6c [2021-11-23 01:37:14,930 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:37:14,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2021-11-23 01:37:14,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/data/ba2ff7fd1/25d938817ce1468eb886543751f8a8cb/FLAGe3e300d6c [2021-11-23 01:37:15,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/data/ba2ff7fd1/25d938817ce1468eb886543751f8a8cb [2021-11-23 01:37:15,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:37:15,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:37:15,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:15,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:37:15,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:37:15,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:15" (1/1) ... [2021-11-23 01:37:15,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204eac88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:15, skipping insertion in model container [2021-11-23 01:37:15,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:15" (1/1) ... [2021-11-23 01:37:15,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:37:15,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:37:15,470 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_d580577b-c117-4371-9000-4b14e55f4ee4/sv-benchmarks/c/eca-rers2012/Problem16_label57.c[4337,4350] [2021-11-23 01:37:15,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:15,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:37:15,986 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_d580577b-c117-4371-9000-4b14e55f4ee4/sv-benchmarks/c/eca-rers2012/Problem16_label57.c[4337,4350] [2021-11-23 01:37:16,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:16,244 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:37:16,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16 WrapperNode [2021-11-23 01:37:16,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:16,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:16,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:37:16,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:37:16,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,432 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-11-23 01:37:16,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:16,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:37:16,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:37:16,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:37:16,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:37:16,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:37:16,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:37:16,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:37:16,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:16,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:37:16,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:37:16,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:37:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:37:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:37:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:37:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:37:16,821 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:37:16,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:37:19,053 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:37:30,714 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:37:30,714 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:37:30,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:30 BoogieIcfgContainer [2021-11-23 01:37:30,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:37:30,719 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:37:30,719 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:37:30,730 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:37:30,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:30" (1/1) ... [2021-11-23 01:37:30,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:37:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:37:30,802 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:37:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:37:30,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:30,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:30,970 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 01:37:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:37:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:37:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:37:31,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:31,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:32,501 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 01:37:42,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:37:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2021-11-23 01:37:43,456 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2021-11-23 01:37:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:37:43,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:43,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:46,159 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 01:37:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2021-11-23 01:37:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2021-11-23 01:37:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:37:47,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:47,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:49,596 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 01:37:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2021-11-23 01:37:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2021-11-23 01:37:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:37:50,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:50,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:00,958 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 01:38:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2021-11-23 01:38:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2021-11-23 01:38:01,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:38:01,565 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-11-23 01:38:01,578 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:38:01,889 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2021-11-23 01:38:01,905 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2021-11-23 01:38:01,908 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:38:01,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:38:01 ImpRootNode [2021-11-23 01:38:01,909 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:38:01,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:38:01,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:38:01,910 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:38:01,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:30" (3/4) ... [2021-11-23 01:38:01,915 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:38:01,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 375 nodes and edges [2021-11-23 01:38:01,964 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 01:38:01,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 01:38:01,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:38:02,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:38:02,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:38:02,281 INFO L158 Benchmark]: Toolchain (without parser) took 47153.04ms. Allocated memory was 102.8MB in the beginning and 9.4GB in the end (delta: 9.3GB). Free memory was 64.7MB in the beginning and 8.4GB in the end (delta: -8.3GB). Peak memory consumption was 989.9MB. Max. memory is 16.1GB. [2021-11-23 01:38:02,281 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 54.6MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:38:02,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1112.61ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 68.4MB in the end (delta: -4.0MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-11-23 01:38:02,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.81ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 44.8MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 01:38:02,282 INFO L158 Benchmark]: Boogie Preprocessor took 227.78ms. Allocated memory is still 102.8MB. Free memory was 44.8MB in the beginning and 53.7MB in the end (delta: -8.9MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-11-23 01:38:02,283 INFO L158 Benchmark]: RCFGBuilder took 14054.87ms. Allocated memory was 102.8MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 53.7MB in the beginning and 5.7GB in the end (delta: -5.7GB). Peak memory consumption was 698.0MB. Max. memory is 16.1GB. [2021-11-23 01:38:02,284 INFO L158 Benchmark]: CodeCheck took 31190.55ms. Allocated memory was 6.4GB in the beginning and 9.4GB in the end (delta: 3.0GB). Free memory was 5.7GB in the beginning and 8.4GB in the end (delta: -2.7GB). Peak memory consumption was 313.5MB. Max. memory is 16.1GB. [2021-11-23 01:38:02,284 INFO L158 Benchmark]: Witness Printer took 369.74ms. Allocated memory is still 9.4GB. Free memory was 8.4GB in the beginning and 8.4GB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 01:38:02,287 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: 30.8s, 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: 4 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 47.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 46.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 65 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 536 GetRequests, 479 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 519 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: 137]: 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: 33]: Loop Invariant Derived loop invariant: (((a18 + 79 <= 0 || !(a16 == 10)) || !(a15 == 3)) || !(a12 == 9)) || 134 < a18 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((a18 + 79 <= 0 || a16 <= 9) || !(a15 == 3)) || a12 <= 8) || 10 <= a12) || 11 <= a16 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 54.6MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1112.61ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 68.4MB in the end (delta: -4.0MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.81ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 44.8MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 227.78ms. Allocated memory is still 102.8MB. Free memory was 44.8MB in the beginning and 53.7MB in the end (delta: -8.9MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * RCFGBuilder took 14054.87ms. Allocated memory was 102.8MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 53.7MB in the beginning and 5.7GB in the end (delta: -5.7GB). Peak memory consumption was 698.0MB. Max. memory is 16.1GB. * CodeCheck took 31190.55ms. Allocated memory was 6.4GB in the beginning and 9.4GB in the end (delta: 3.0GB). Free memory was 5.7GB in the beginning and 8.4GB in the end (delta: -2.7GB). Peak memory consumption was 313.5MB. Max. memory is 16.1GB. * Witness Printer took 369.74ms. Allocated memory is still 9.4GB. Free memory was 8.4GB in the beginning and 8.4GB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:38:02,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d580577b-c117-4371-9000-4b14e55f4ee4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE