./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/array-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e --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 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:57:49,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:57:49,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:57:49,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:57:49,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:57:49,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:57:49,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:57:49,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:57:49,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:57:49,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:57:49,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:57:49,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:57:49,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:57:49,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:57:49,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:57:49,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:57:49,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:57:49,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:57:49,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:57:49,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:57:49,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:57:49,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:57:49,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:57:49,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:57:49,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:57:49,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:57:49,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:57:49,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:57:49,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:57:49,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:57:49,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:57:49,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:57:49,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:57:49,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:57:49,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:57:49,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:57:49,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:57:49,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:57:49,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:57:49,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:57:49,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:57:49,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:57:49,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:57:49,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:57:49,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:57:49,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:57:49,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:57:49,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:57:49,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:57:49,622 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:57:49,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:57:49,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:57:49,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:57:49,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:57:49,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:57:49,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:57:49,624 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:57:49,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:57:49,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:57:49,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:57:49,625 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:57:49,625 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:57:49,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:57:49,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:57:49,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:57:49,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:57:49,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:57:49,626 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:57:49,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:57:49,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:57:49,627 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_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152 [2021-11-13 23:57:49,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:57:49,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:57:49,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:57:49,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:57:49,938 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:57:49,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loops/array-1.c [2021-11-13 23:57:50,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/data/efcf55e58/250f9a8f7bfd4a82b20a2caa5d6c3d6f/FLAG86dcd6433 [2021-11-13 23:57:50,549 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:57:50,549 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/sv-benchmarks/c/loops/array-1.c [2021-11-13 23:57:50,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/data/efcf55e58/250f9a8f7bfd4a82b20a2caa5d6c3d6f/FLAG86dcd6433 [2021-11-13 23:57:50,927 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/data/efcf55e58/250f9a8f7bfd4a82b20a2caa5d6c3d6f [2021-11-13 23:57:50,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:57:50,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:57:50,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:57:50,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:57:50,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:57:50,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:57:50" (1/1) ... [2021-11-13 23:57:50,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a82e0ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:50, skipping insertion in model container [2021-11-13 23:57:50,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:57:50" (1/1) ... [2021-11-13 23:57:50,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:57:50,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:57:51,123 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_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/sv-benchmarks/c/loops/array-1.c[319,332] [2021-11-13 23:57:51,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:57:51,147 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:57:51,159 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_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/sv-benchmarks/c/loops/array-1.c[319,332] [2021-11-13 23:57:51,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:57:51,179 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:57:51,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51 WrapperNode [2021-11-13 23:57:51,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:57:51,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:57:51,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:57:51,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:57:51,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:57:51,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:57:51,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:57:51,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:57:51,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:57:51,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:57:51,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:57:51,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:57:51,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:57:51,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:57:51,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:57:51,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:57:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:57:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:57:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:57:51,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:57:51,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:57:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:57:51,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:57:51,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:57:51,624 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:57:51,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:57:51 BoogieIcfgContainer [2021-11-13 23:57:51,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:57:51,627 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:57:51,628 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:57:51,636 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:57:51,636 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:57:51" (1/1) ... [2021-11-13 23:57:51,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:57:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-11-13 23:57:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-11-13 23:57:51,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:57:51,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:51,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:57:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-11-13 23:57:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-11-13 23:57:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:57:52,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:57:52,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:57:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:57:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:57:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:57:52,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-11-13 23:57:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-11-13 23:57:52,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:57:52,765 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-11-13 23:57:52,779 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-13 23:57:52,834 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-13 23:57:52,849 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-13 23:57:52,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:57:52 ImpRootNode [2021-11-13 23:57:52,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:57:52,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:57:52,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:57:52,854 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:57:52,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:57:51" (3/4) ... [2021-11-13 23:57:52,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:57:52,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 23:57:52,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-13 23:57:52,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 23:57:52,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 23:57:52,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:57:52,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:57:52,981 INFO L158 Benchmark]: Toolchain (without parser) took 2048.20ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 55.3MB in the beginning and 70.9MB in the end (delta: -15.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2021-11-13 23:57:52,981 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:57:52,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.27ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 55.1MB in the beginning and 69.6MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:57:52,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.53ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:57:52,983 INFO L158 Benchmark]: Boogie Preprocessor took 47.72ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:57:52,983 INFO L158 Benchmark]: RCFGBuilder took 352.38ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 55.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:57:52,984 INFO L158 Benchmark]: CodeCheck took 1222.88ms. Allocated memory is still 94.4MB. Free memory was 55.7MB in the beginning and 37.5MB in the end (delta: 18.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-11-13 23:57:52,984 INFO L158 Benchmark]: Witness Printer took 125.91ms. Allocated memory is still 94.4MB. Free memory was 37.5MB in the beginning and 70.9MB in the end (delta: -33.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:57:52,993 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 113.43ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 73.75ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 23 mSolverCounterSat, 1.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 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: 7]: 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: 21]: Loop Invariant Derived loop invariant: ((menor <= unknown-#memory_int-unknown[array][array] && 0 < SIZE / 4294967296 + 1) && array == 0) || (((1 <= SIZE && array == 0) && SIZE / 4294967296 <= 0) && j == 0) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.27ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 55.1MB in the beginning and 69.6MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.53ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 68.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.72ms. Allocated memory is still 94.4MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.38ms. Allocated memory is still 94.4MB. Free memory was 66.9MB in the beginning and 55.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1222.88ms. Allocated memory is still 94.4MB. Free memory was 55.7MB in the beginning and 37.5MB in the end (delta: 18.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 125.91ms. Allocated memory is still 94.4MB. Free memory was 37.5MB in the beginning and 70.9MB in the end (delta: -33.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:57:53,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3281d58-a4d9-40d8-aeef-1ebcb15eb040/bin/ukojak-2xVlg8857e/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