./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI --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 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:30:37,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:30:37,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:30:37,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:30:37,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:30:37,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:30:37,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:30:37,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:30:37,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:30:37,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:30:37,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:30:37,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:30:37,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:30:37,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:30:37,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:30:37,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:30:37,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:30:37,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:30:37,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:30:37,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:30:37,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:30:37,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:30:37,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:30:37,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:30:37,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:30:37,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:30:37,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:30:37,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:30:37,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:30:37,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:30:37,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:30:37,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:30:37,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:30:37,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:30:37,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:30:37,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:30:37,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:30:37,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:30:37,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:30:37,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:30:37,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:30:37,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:30:37,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:30:37,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:30:37,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:30:37,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:30:37,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:30:37,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:30:37,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:30:37,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:30:37,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:30:37,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:30:37,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:30:37,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:30:37,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:30:37,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:30:37,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:30:37,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:30:37,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:30:37,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:30:37,663 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:30:37,663 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:30:37,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:30:37,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:30:37,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:30:37,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:30:37,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:30:37,665 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:30:37,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:30:37,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:30:37,666 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_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bdeae46dbc756a421cd87ce74cf66692dd63be4319bd9b008f470e9866099a9 [2021-10-29 03:30:37,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:30:38,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:30:38,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:30:38,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:30:38,028 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:30:38,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2021-10-29 03:30:38,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/data/197f78f30/9dd72834304a46789d3c44bf12b0d319/FLAGeec33c902 [2021-10-29 03:30:38,701 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:30:38,702 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2021-10-29 03:30:38,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/data/197f78f30/9dd72834304a46789d3c44bf12b0d319/FLAGeec33c902 [2021-10-29 03:30:39,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/data/197f78f30/9dd72834304a46789d3c44bf12b0d319 [2021-10-29 03:30:39,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:30:39,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:30:39,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:30:39,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:30:39,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:30:39,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394a876a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39, skipping insertion in model container [2021-10-29 03:30:39,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:30:39,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:30:39,340 WARN L228 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_f15f624e-4a27-4444-be26-926b6dce8149/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2021-10-29 03:30:39,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:30:39,367 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:30:39,385 WARN L228 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_f15f624e-4a27-4444-be26-926b6dce8149/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2021-10-29 03:30:39,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:30:39,408 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:30:39,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39 WrapperNode [2021-10-29 03:30:39,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:30:39,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:30:39,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:30:39,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:30:39,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:30:39,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:30:39,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:30:39,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:30:39,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:30:39,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:30:39,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:30:39,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:30:39,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:39,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:30:39,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:30:39,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:30:39,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:30:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:30:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:30:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:30:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:30:39,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:30:39,966 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:30:39,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:39 BoogieIcfgContainer [2021-10-29 03:30:39,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:30:39,978 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:30:39,979 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:30:40,002 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:30:40,002 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:39" (1/1) ... [2021-10-29 03:30:40,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:30:40,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:30:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:30:40,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:30:40,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:40,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-10-29 03:30:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-29 03:30:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:30:40,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:40,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:30:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-10-29 03:30:40,625 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-10-29 03:30:40,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:30:40,626 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-10-29 03:30:40,633 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:30:40,648 INFO L565 CodeCheckObserver]: Invariant with dag size 6 [2021-10-29 03:30:40,660 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:30:40,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:30:40 ImpRootNode [2021-10-29 03:30:40,661 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:30:40,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:30:40,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:30:40,663 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:30:40,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:39" (3/4) ... [2021-10-29 03:30:40,679 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:30:40,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 03:30:40,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:30:40,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:30:40,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:30:40,774 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:30:40,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:30:40,780 INFO L168 Benchmark]: Toolchain (without parser) took 1713.16 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 58.3 MB in the beginning and 72.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:40,781 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory was 64.5 MB in the beginning and 64.4 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:30:40,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.79 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 58.1 MB in the beginning and 104.1 MB in the end (delta: -46.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:40,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.25 ms. Allocated memory is still 127.9 MB. Free memory was 104.1 MB in the beginning and 102.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:40,784 INFO L168 Benchmark]: Boogie Preprocessor took 25.77 ms. Allocated memory is still 127.9 MB. Free memory was 102.8 MB in the beginning and 102.0 MB in the end (delta: 762.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:30:40,785 INFO L168 Benchmark]: RCFGBuilder took 497.51 ms. Allocated memory is still 127.9 MB. Free memory was 101.4 MB in the beginning and 91.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:40,785 INFO L168 Benchmark]: CodeCheck took 682.98 ms. Allocated memory is still 127.9 MB. Free memory was 91.5 MB in the beginning and 74.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:40,786 INFO L168 Benchmark]: Witness Printer took 115.44 ms. Allocated memory is still 127.9 MB. Free memory was 74.2 MB in the beginning and 72.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:30:40,797 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: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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: 23]: Loop Invariant Derived loop invariant: 0 <= y && x <= y - 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 0.38 ms. Allocated memory is still 92.3 MB. Free memory was 64.5 MB in the beginning and 64.4 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.79 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 58.1 MB in the beginning and 104.1 MB in the end (delta: -46.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.25 ms. Allocated memory is still 127.9 MB. Free memory was 104.1 MB in the beginning and 102.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.77 ms. Allocated memory is still 127.9 MB. Free memory was 102.8 MB in the beginning and 102.0 MB in the end (delta: 762.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 497.51 ms. Allocated memory is still 127.9 MB. Free memory was 101.4 MB in the beginning and 91.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 682.98 ms. Allocated memory is still 127.9 MB. Free memory was 91.5 MB in the beginning and 74.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 115.44 ms. Allocated memory is still 127.9 MB. Free memory was 74.2 MB in the beginning and 72.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:30:40,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15f624e-4a27-4444-be26-926b6dce8149/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...