./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/trex01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex01-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac73664c6b6c540fa41a6c75f0a1d02ae5fcc2e0 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:40:05,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:40:05,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:40:05,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:40:05,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:40:05,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:40:05,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:40:05,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:40:05,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:40:05,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:40:05,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:40:05,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:40:05,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:40:05,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:40:05,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:40:05,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:40:05,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:40:05,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:40:05,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:40:05,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:40:05,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:40:05,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:40:05,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:40:05,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:40:05,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:40:05,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:40:05,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:40:05,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:40:05,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:40:05,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:40:05,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:40:05,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:40:05,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:40:05,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:40:05,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:40:05,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:40:05,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:40:05,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:40:05,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:40:05,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:40:05,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:40:05,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:40:05,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:40:05,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:40:05,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:40:05,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:40:05,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:40:05,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:40:05,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:40:05,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:40:05,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:40:05,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:40:05,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:40:05,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:40:05,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:40:05,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:40:05,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:40:05,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:40:05,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:40:05,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:40:05,427 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:40:05,428 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:40:05,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:40:05,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:40:05,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:40:05,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:40:05,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:40:05,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:40:05,429 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:40:05,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:40:05,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:40:05,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak 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(__VERIFIER_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 -> ac73664c6b6c540fa41a6c75f0a1d02ae5fcc2e0 [2019-11-26 02:40:05,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:40:05,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:40:05,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:40:05,586 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:40:05,586 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:40:05,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/../../sv-benchmarks/c/loops/trex01-2.i [2019-11-26 02:40:05,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/data/cde01a42f/252396890c754aa790a9c4966f50dd2a/FLAG62e23fb43 [2019-11-26 02:40:06,026 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:40:06,026 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/sv-benchmarks/c/loops/trex01-2.i [2019-11-26 02:40:06,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/data/cde01a42f/252396890c754aa790a9c4966f50dd2a/FLAG62e23fb43 [2019-11-26 02:40:06,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/data/cde01a42f/252396890c754aa790a9c4966f50dd2a [2019-11-26 02:40:06,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:40:06,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:40:06,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:40:06,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:40:06,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:40:06,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ea7aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06, skipping insertion in model container [2019-11-26 02:40:06,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:40:06,503 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:40:06,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:40:06,688 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:40:06,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:40:06,805 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:40:06,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06 WrapperNode [2019-11-26 02:40:06,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:40:06,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:40:06,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:40:06,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:40:06,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:40:06,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:40:06,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:40:06,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:40:06,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... [2019-11-26 02:40:06,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:40:06,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:40:06,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:40:06,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:40:06,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:40:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-26 02:40:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-26 02:40:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:40:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:40:07,297 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:40:07,298 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:40:07,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:40:07 BoogieIcfgContainer [2019-11-26 02:40:07,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:40:07,299 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:40:07,299 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:40:07,310 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:40:07,311 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:40:07" (1/1) ... [2019-11-26 02:40:07,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:40:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2019-11-26 02:40:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2019-11-26 02:40:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:40:07,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2019-11-26 02:40:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2019-11-26 02:40:07,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:40:07,582 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-11-26 02:40:07,591 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:40:07,621 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:07,626 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-26 02:40:07,633 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:07,633 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:07,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:40:07 ImpRootNode [2019-11-26 02:40:07,634 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:40:07,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:40:07,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:40:07,635 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:40:07,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:40:07" (3/4) ... [2019-11-26 02:40:07,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:40:07,645 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-11-26 02:40:07,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:40:07,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:40:07,652 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:40:07,698 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c6752652-6c68-4868-a720-a353af048f86/bin/ukojak/witness.graphml [2019-11-26 02:40:07,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:40:07,700 INFO L168 Benchmark]: Toolchain (without parser) took 1230.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:40:07,701 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:40:07,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:07,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:40:07,702 INFO L168 Benchmark]: Boogie Preprocessor took 19.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:07,703 INFO L168 Benchmark]: RCFGBuilder took 439.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:07,703 INFO L168 Benchmark]: CodeCheck took 334.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:07,703 INFO L168 Benchmark]: Witness Printer took 63.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:40:07,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 9 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 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: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 <= z - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 439.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * CodeCheck took 334.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 63.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...