./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/just_assert.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_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/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_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/just_assert.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/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_1a0e3095-7536-4a54-a83f-4352f7fbc999/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 f4856af8a72b91c6e7b44602086b8ba797f9db842602427d6c7c781dd8a0eda2 --- 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 16:48:46,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:46,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:46,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:46,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:46,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:46,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:46,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:46,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:46,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:46,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:46,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:46,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:46,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:46,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:46,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:46,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:46,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:46,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:46,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:46,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:46,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:46,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:46,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:46,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:46,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:46,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:46,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:46,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:46,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:46,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:46,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:46,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:46,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:46,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:46,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:46,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:46,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:46,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:46,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:46,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:46,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:46,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:46,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:46,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:46,392 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:46,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:46,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:46,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:46,393 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:46,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:46,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:46,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:46,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:46,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:46,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:46,395 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:46,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:46,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:46,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:46,396 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:46,396 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:46,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:46,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:46,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:46,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:46,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:46,397 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:46,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:46,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:46,398 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_1a0e3095-7536-4a54-a83f-4352f7fbc999/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4856af8a72b91c6e7b44602086b8ba797f9db842602427d6c7c781dd8a0eda2 [2022-10-17 16:48:46,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:46,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:46,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:46,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:46,674 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:46,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/just_assert.i [2022-10-17 16:48:46,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/data/869e06e3c/f2f5e58fe1494c70af97e4fa98d15e8d/FLAGa5cd75add [2022-10-17 16:48:47,166 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:47,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/sv-benchmarks/c/ldv-regression/just_assert.i [2022-10-17 16:48:47,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/data/869e06e3c/f2f5e58fe1494c70af97e4fa98d15e8d/FLAGa5cd75add [2022-10-17 16:48:47,554 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/data/869e06e3c/f2f5e58fe1494c70af97e4fa98d15e8d [2022-10-17 16:48:47,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:47,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:47,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:47,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:47,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:47,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4479dea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47, skipping insertion in model container [2022-10-17 16:48:47,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:47,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:47,737 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_1a0e3095-7536-4a54-a83f-4352f7fbc999/sv-benchmarks/c/ldv-regression/just_assert.i[300,313] [2022-10-17 16:48:47,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:47,769 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:47,791 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_1a0e3095-7536-4a54-a83f-4352f7fbc999/sv-benchmarks/c/ldv-regression/just_assert.i[300,313] [2022-10-17 16:48:47,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:47,804 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:47,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47 WrapperNode [2022-10-17 16:48:47,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:47,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:47,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:47,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:47,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,843 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-10-17 16:48:47,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:47,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:47,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:47,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:47,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:47,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:47,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:47,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:47,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:47" (1/1) ... [2022-10-17 16:48:47,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:47,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:47,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:47,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:48,028 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:48,030 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:48,113 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:48,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:48,128 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:48:48,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:48 BoogieIcfgContainer [2022-10-17 16:48:48,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:48,132 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:48,132 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:48,143 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:48,143 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:48" (1/1) ... [2022-10-17 16:48:48,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-10-17 16:48:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-10-17 16:48:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:48:48,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:48,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:48,382 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 16:48:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2022-10-17 16:48:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2022-10-17 16:48:48,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:48:48,399 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-10-17 16:48:48,409 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:48:48,421 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:48:48,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:48:48 ImpRootNode [2022-10-17 16:48:48,425 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:48:48,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:48:48,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:48:48,426 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:48:48,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:48" (3/4) ... [2022-10-17 16:48:48,430 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:48:48,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-10-17 16:48:48,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:48:48,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:48:48,441 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:48:48,486 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:48:48,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:48:48,487 INFO L158 Benchmark]: Toolchain (without parser) took 929.20ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 52.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:48,488 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:48,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.36ms. Allocated memory is still 100.7MB. Free memory was 54.3MB in the beginning and 76.1MB in the end (delta: -21.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:48:48,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.10ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 74.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:48,490 INFO L158 Benchmark]: Boogie Preprocessor took 19.62ms. Allocated memory is still 100.7MB. Free memory was 74.6MB in the beginning and 73.8MB in the end (delta: 783.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:48,491 INFO L158 Benchmark]: RCFGBuilder took 264.88ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 64.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:48:48,492 INFO L158 Benchmark]: CodeCheck took 293.06ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 54.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:48:48,493 INFO L158 Benchmark]: Witness Printer took 60.69ms. Allocated memory is still 100.7MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:48,506 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 10]: 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: 9]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.36ms. Allocated memory is still 100.7MB. Free memory was 54.3MB in the beginning and 76.1MB in the end (delta: -21.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.10ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 74.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.62ms. Allocated memory is still 100.7MB. Free memory was 74.6MB in the beginning and 73.8MB in the end (delta: 783.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 264.88ms. Allocated memory is still 100.7MB. Free memory was 73.8MB in the beginning and 64.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 293.06ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 54.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 60.69ms. Allocated memory is still 100.7MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:48:48,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a0e3095-7536-4a54-a83f-4352f7fbc999/bin/ukojak-92XMlrwhuB/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