./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4 --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 09d063705287b401285699bfa86431b1230e05d127a376405f72545cb8e31896 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:54:50,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:54:50,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:54:50,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:54:50,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:54:50,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:54:50,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:54:50,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:54:50,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:54:50,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:54:50,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:54:50,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:54:50,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:54:50,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:54:50,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:54:50,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:54:50,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:54:50,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:54:50,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:54:50,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:54:50,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:54:50,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:54:50,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:54:50,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:54:50,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:54:50,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:54:50,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:54:50,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:54:50,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:54:50,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:54:50,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:54:50,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:54:50,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:54:50,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:54:50,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:54:50,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:54:50,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:54:50,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:54:50,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:54:50,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:54:50,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:54:50,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:54:50,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:54:50,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:54:50,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:54:50,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:54:50,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:54:50,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:54:50,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:54:50,824 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:54:50,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:54:50,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:54:50,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:54:50,825 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:54:50,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:54:50,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:54:50,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:54:50,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:54:50,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:54:50,826 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:54:50,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:54:50,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:54:50,826 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_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09d063705287b401285699bfa86431b1230e05d127a376405f72545cb8e31896 [2022-12-14 19:54:50,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:54:51,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:54:51,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:54:51,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:54:51,017 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:54:51,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2022-12-14 19:54:53,549 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:54:53,765 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:54:53,765 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2022-12-14 19:54:53,774 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/data/8fc691dbc/4eff3056d6b64c95adfd1dd75d891dc8/FLAGb0fc6c818 [2022-12-14 19:54:53,785 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/data/8fc691dbc/4eff3056d6b64c95adfd1dd75d891dc8 [2022-12-14 19:54:53,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:54:53,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:54:53,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:54:53,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:54:53,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:54:53,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:54:53" (1/1) ... [2022-12-14 19:54:53,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2675854c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:53, skipping insertion in model container [2022-12-14 19:54:53,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:54:53" (1/1) ... [2022-12-14 19:54:53,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:54:53,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:54:53,988 WARN L237 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_485bf109-1a01-4971-b037-a9cfe0b62fd3/sv-benchmarks/c/eca-rers2012/Problem11_label21.c[3545,3558] [2022-12-14 19:54:54,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:54:54,166 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:54:54,180 WARN L237 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_485bf109-1a01-4971-b037-a9cfe0b62fd3/sv-benchmarks/c/eca-rers2012/Problem11_label21.c[3545,3558] [2022-12-14 19:54:54,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:54:54,284 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:54:54,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54 WrapperNode [2022-12-14 19:54:54,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:54:54,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:54:54,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:54:54,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:54:54,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,377 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 19:54:54,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:54:54,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:54:54,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:54:54,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:54:54,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:54:54,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:54:54,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:54:54,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:54:54,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:54:54" (1/1) ... [2022-12-14 19:54:54,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:54:54,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:54:54,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:54:54,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:54:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:54:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:54:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:54:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:54:54,555 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:54:54,556 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:54:55,763 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:54:59,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:54:59,530 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:54:59,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:54:59 BoogieIcfgContainer [2022-12-14 19:54:59,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:54:59,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:54:59,533 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:54:59,540 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:54:59,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:54:59" (1/1) ... [2022-12-14 19:54:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:54:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:54:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 19:54:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 19:54:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:54:59,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:54:59,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:54:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:54:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:54:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:54:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 19:54:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 19:54:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:54:59,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:54:59,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:54:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:55:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:55:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:55:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 19:55:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 19:55:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:55:26,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:55:26,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:55:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:57:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:57:26,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 19:57:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:57:27,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2022-12-14 19:57:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2022-12-14 19:57:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:57:27,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:57:27,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:57:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:59:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:59:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:59:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2022-12-14 19:59:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2022-12-14 19:59:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:59:18,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:59:18,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:59:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:00:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:00:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:00:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2022-12-14 20:00:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2022-12-14 20:00:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:00:06,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:00:06,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:00:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:00:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:00:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:00:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2022-12-14 20:00:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-12-14 20:00:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 20:00:52,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:00:52,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:00:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:01:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 20:01:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:01:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2022-12-14 20:01:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2022-12-14 20:01:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:01:38,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:01:38,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:01:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:02:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 20:02:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:02:31,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2022-12-14 20:02:31,083 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2022-12-14 20:02:31,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:02:31,083 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 20:02:31,088 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 20:02:31,516 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2022-12-14 20:02:31,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 20:02:31,526 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2022-12-14 20:02:31,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:02:31 ImpRootNode [2022-12-14 20:02:31,527 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:02:31,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:02:31,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:02:31,527 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:02:31,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:54:59" (3/4) ... [2022-12-14 20:02:31,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 20:02:31,543 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-14 20:02:31,544 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 20:02:31,545 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 20:02:31,546 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 20:02:31,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:02:31,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:02:31,628 INFO L158 Benchmark]: Toolchain (without parser) took 457839.78ms. Allocated memory was 178.3MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 142.4MB in the beginning and 832.8MB in the end (delta: -690.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-12-14 20:02:31,628 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:02:31,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.91ms. Allocated memory is still 178.3MB. Free memory was 141.8MB in the beginning and 98.3MB in the end (delta: 43.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-14 20:02:31,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.28ms. Allocated memory is still 178.3MB. Free memory was 98.3MB in the beginning and 139.2MB in the end (delta: -40.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-12-14 20:02:31,628 INFO L158 Benchmark]: Boogie Preprocessor took 66.50ms. Allocated memory is still 178.3MB. Free memory was 139.2MB in the beginning and 129.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 20:02:31,629 INFO L158 Benchmark]: RCFGBuilder took 5087.50ms. Allocated memory was 178.3MB in the beginning and 710.9MB in the end (delta: 532.7MB). Free memory was 129.6MB in the beginning and 466.1MB in the end (delta: -336.5MB). Peak memory consumption was 491.9MB. Max. memory is 16.1GB. [2022-12-14 20:02:31,629 INFO L158 Benchmark]: CodeCheck took 451993.80ms. Allocated memory was 710.9MB in the beginning and 2.0GB in the end (delta: 1.3GB). Free memory was 466.1MB in the beginning and 849.3MB in the end (delta: -383.2MB). Peak memory consumption was 893.9MB. Max. memory is 16.1GB. [2022-12-14 20:02:31,629 INFO L158 Benchmark]: Witness Printer took 100.16ms. Allocated memory is still 2.0GB. Free memory was 849.3MB in the beginning and 832.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:02:31,630 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: 451.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 72.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 318 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 72.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 154 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 894 IncrementalHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 154 mSolverCounterUnsat, 142 mSDtfsCounter, 894 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1120 GetRequests, 992 SyntacticMatches, 50 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2902 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 433.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 88]: 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: 1044]: Loop Invariant Derived loop invariant: ((((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((12 <= a25 && a3 == 1) && a8 == 15)) || ((a3 == 1 && !(a4 == 1)) && a8 == 15)) || ((((a23 + 43 <= 0 || 139 <= a23) || 141 <= a29) && a3 == 1) && a8 == 15)) || ((a25 <= 10 && a3 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || (((((((a23 + 43 <= 0 || !(a23 <= 138)) || !(a25 <= 11)) || a25 <= 10) || !(a4 == 1)) || !(a29 <= 140)) && a3 == 1) && a8 == 15) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.91ms. Allocated memory is still 178.3MB. Free memory was 141.8MB in the beginning and 98.3MB in the end (delta: 43.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.28ms. Allocated memory is still 178.3MB. Free memory was 98.3MB in the beginning and 139.2MB in the end (delta: -40.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.50ms. Allocated memory is still 178.3MB. Free memory was 139.2MB in the beginning and 129.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5087.50ms. Allocated memory was 178.3MB in the beginning and 710.9MB in the end (delta: 532.7MB). Free memory was 129.6MB in the beginning and 466.1MB in the end (delta: -336.5MB). Peak memory consumption was 491.9MB. Max. memory is 16.1GB. * CodeCheck took 451993.80ms. Allocated memory was 710.9MB in the beginning and 2.0GB in the end (delta: 1.3GB). Free memory was 466.1MB in the beginning and 849.3MB in the end (delta: -383.2MB). Peak memory consumption was 893.9MB. Max. memory is 16.1GB. * Witness Printer took 100.16ms. Allocated memory is still 2.0GB. Free memory was 849.3MB in the beginning and 832.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 20:02:31,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485bf109-1a01-4971-b037-a9cfe0b62fd3/bin/ukojak-rkRKPMF4O4/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