./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB --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 0414607cdfaf86248673acc731020b311087823754eb03e229e19e48245fa120 --- 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-dbf71c6-m [2022-10-17 16:53:01,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:01,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:01,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:01,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:01,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:01,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:01,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:01,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:01,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:01,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:01,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:01,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:01,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:01,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:01,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:01,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:01,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:01,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:01,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:01,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:01,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:01,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:01,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:01,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:01,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:01,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:01,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:01,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:01,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:01,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:01,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:01,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:01,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:01,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:01,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:01,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:01,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:01,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:01,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:01,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:01,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:01,909 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:01,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:01,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:01,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:01,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:01,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:01,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:01,912 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:01,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:01,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:01,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:01,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:01,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:01,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:01,915 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:01,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:01,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:01,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:01,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:01,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:01,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:01,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:01,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:01,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:01,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:01,918 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:01,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:01,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:01,918 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_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0414607cdfaf86248673acc731020b311087823754eb03e229e19e48245fa120 [2022-10-17 16:53:02,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:02,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:02,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:02,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:02,208 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:02,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i [2022-10-17 16:53:02,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/data/769b1d5a4/7eb7c8a95b7443eeb980e08a7b5eca6b/FLAG1f4e64774 [2022-10-17 16:53:02,742 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:02,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i [2022-10-17 16:53:02,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/data/769b1d5a4/7eb7c8a95b7443eeb980e08a7b5eca6b/FLAG1f4e64774 [2022-10-17 16:53:03,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/data/769b1d5a4/7eb7c8a95b7443eeb980e08a7b5eca6b [2022-10-17 16:53:03,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:03,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:03,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:03,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:03,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:03,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3761ddc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03, skipping insertion in model container [2022-10-17 16:53:03,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:03,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:03,313 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_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i[873,886] [2022-10-17 16:53:03,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:03,332 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:03,344 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_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i[873,886] [2022-10-17 16:53:03,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:03,362 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:03,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03 WrapperNode [2022-10-17 16:53:03,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:03,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:03,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:03,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:03,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,399 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-10-17 16:53:03,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:03,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:03,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:03,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:03,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,419 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:03,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:03,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:03,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:03,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:03,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:03,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:03,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:03,576 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:03,578 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:03,775 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:03,795 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:03,795 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:53:03,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:03 BoogieIcfgContainer [2022-10-17 16:53:03,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:03,799 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:03,799 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:03,810 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:03,810 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:03" (1/1) ... [2022-10-17 16:53:03,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:53:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:53:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:53:03,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:03,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:04,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-10-17 16:53:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-10-17 16:53:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:53:04,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:04,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-10-17 16:53:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-10-17 16:53:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:53:04,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:53:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:53:05,355 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:53:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:53:05,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:05,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:53:05,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-10-17 16:53:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-10-17 16:53:05,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:53:05,732 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-10-17 16:53:05,744 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:53:05,770 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-10-17 16:53:05,785 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:53:05,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:53:05 ImpRootNode [2022-10-17 16:53:05,786 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:53:05,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:53:05,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:53:05,789 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:53:05,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:03" (3/4) ... [2022-10-17 16:53:05,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:53:05,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:53:05,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:53:05,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:53:05,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:53:05,862 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:53:05,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:53:05,863 INFO L158 Benchmark]: Toolchain (without parser) took 2750.72ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 51.3MB in the end (delta: 12.4MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-10-17 16:53:05,863 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 58.2MB in the beginning and 58.1MB in the end (delta: 79.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:05,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.68ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 63.4MB in the end (delta: 91.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:53:05,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.54ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 61.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:05,865 INFO L158 Benchmark]: Boogie Preprocessor took 21.94ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 60.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:05,865 INFO L158 Benchmark]: RCFGBuilder took 375.28ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 50.7MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:53:05,866 INFO L158 Benchmark]: CodeCheck took 1986.85ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 50.5MB in the beginning and 54.2MB in the end (delta: -3.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-10-17 16:53:05,866 INFO L158 Benchmark]: Witness Printer took 74.19ms. Allocated memory is still 109.1MB. Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:53:05,877 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: 1.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 20 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 180 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/7 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: 16]: 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: 24]: Loop Invariant Derived loop invariant: (((!(n <= 0) && n <= k) && n <= j + k) && j + k <= n) || (((0 < k + 1 && n <= j + k) && !(j <= 0)) && j + k <= n) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 58.2MB in the beginning and 58.1MB in the end (delta: 79.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.68ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 63.4MB in the end (delta: 91.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.54ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 61.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.94ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 60.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.28ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 50.7MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1986.85ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 50.5MB in the beginning and 54.2MB in the end (delta: -3.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Witness Printer took 74.19ms. Allocated memory is still 109.1MB. Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:53:05,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dfe5bd5-a8cd-4786-985d-4b1d0e658a73/bin/ukojak-92XMlrwhuB/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