./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/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 ca707ecc133af2ec0063556d89a3ce449d0860eb .................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:16:58,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:58,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:58,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:58,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:58,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:58,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:58,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:58,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:58,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:58,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:58,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:58,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:58,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:58,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:58,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:58,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:58,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:58,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:58,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:58,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:58,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:58,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:58,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:58,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:58,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:58,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:58,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:58,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:58,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:58,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:58,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:58,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:58,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:58,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:58,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:58,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:58,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:58,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:58,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:58,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:58,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:16:58,805 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:58,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:58,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:16:58,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:16:58,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:58,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:58,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:58,807 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:58,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:58,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:58,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:58,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:16:58,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:58,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:16:58,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:58,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:16:58,809 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:58,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:16:58,809 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:58,809 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:58,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:58,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:58,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:58,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:58,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:58,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:16:58,810 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:58,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:58,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:16:58,811 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/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/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 -> ca707ecc133af2ec0063556d89a3ce449d0860eb [2019-10-22 10:16:58,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:58,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:58,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:58,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:58,860 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:58,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2019-10-22 10:16:58,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/data/60195ba31/e3b13eaf4b5d44db864c346d7d0ff758/FLAG2dfa83eb9 [2019-10-22 10:16:59,288 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:59,288 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2019-10-22 10:16:59,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/data/60195ba31/e3b13eaf4b5d44db864c346d7d0ff758/FLAG2dfa83eb9 [2019-10-22 10:16:59,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/data/60195ba31/e3b13eaf4b5d44db864c346d7d0ff758 [2019-10-22 10:16:59,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:59,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:59,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:59,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:59,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:59,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cdef3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59, skipping insertion in model container [2019-10-22 10:16:59,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:59,337 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:59,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:59,512 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:59,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:59,627 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:59,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59 WrapperNode [2019-10-22 10:16:59,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:59,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:59,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:59,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:59,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:59,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:59,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:59,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:59,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:59,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:59,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:59,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:59,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/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 [2019-10-22 10:16:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-22 10:16:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-22 10:16:59,870 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:59,870 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:16:59,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:59 BoogieIcfgContainer [2019-10-22 10:16:59,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:59,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:59,872 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:59,882 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:59,882 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:59" (1/1) ... [2019-10-22 10:16:59,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2019-10-22 10:16:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-10-22 10:16:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:16:59,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 22 transitions. [2019-10-22 10:17:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-10-22 10:17:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:17:00,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 29 transitions. [2019-10-22 10:17:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2019-10-22 10:17:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:17:00,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:17:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 32 transitions. [2019-10-22 10:17:00,576 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2019-10-22 10:17:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:17:00,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:17:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:00,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 38 transitions. [2019-10-22 10:17:00,885 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2019-10-22 10:17:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 10:17:00,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-22 10:17:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 23 states and 30 transitions. [2019-10-22 10:17:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-10-22 10:17:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:17:01,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-22 10:17:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 17 states and 23 transitions. [2019-10-22 10:17:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2019-10-22 10:17:01,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:17:01,734 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2019-10-22 10:17:01,743 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:17:01,789 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:01,792 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:01,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:01 ImpRootNode [2019-10-22 10:17:01,793 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:01,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:01,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:01,795 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:01,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:59" (3/4) ... [2019-10-22 10:17:01,799 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:17:01,805 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-10-22 10:17:01,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-10-22 10:17:01,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:17:01,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:17:01,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9937f43-fd63-43cc-b2ce-a2fc8c0d042c/bin/ukojak/witness.graphml [2019-10-22 10:17:01,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:01,857 INFO L168 Benchmark]: Toolchain (without parser) took 2550.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 943.2 MB in the beginning and 936.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:01,857 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:01,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 943.2 MB in the beginning and 1.2 GB in the end (delta: -245.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:01,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:01,858 INFO L168 Benchmark]: Boogie Preprocessor took 20.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:01,859 INFO L168 Benchmark]: RCFGBuilder took 192.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:01,859 INFO L168 Benchmark]: CodeCheck took 1922.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 936.1 MB in the end (delta: 228.0 MB). Peak memory consumption was 228.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:01,860 INFO L168 Benchmark]: Witness Printer took 59.88 ms. Allocated memory is still 1.2 GB. Free memory is still 936.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:01,862 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, 14 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 480 SDtfs, 160 SDslu, 0 SDs, 0 SdLazy, 1820 SolverSat, 564 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 891 GetRequests, 825 SyntacticMatches, 16 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 6121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 126/133 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 943.2 MB in the beginning and 1.2 GB in the end (delta: -245.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 192.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * CodeCheck took 1922.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 936.1 MB in the end (delta: 228.0 MB). Peak memory consumption was 228.0 MB. Max. memory is 11.5 GB. * Witness Printer took 59.88 ms. Allocated memory is still 1.2 GB. Free memory is still 936.1 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...