./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum04_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/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 1dbb3ffac91b20f4dd3e7b4eb671e84b2870fc33 ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:18:47,769 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:18:47,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:18:47,778 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:18:47,778 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:18:47,779 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:18:47,780 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:18:47,781 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:18:47,782 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:18:47,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:18:47,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:18:47,783 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:18:47,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:18:47,784 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:18:47,785 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:18:47,785 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:18:47,786 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:18:47,786 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:18:47,788 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:18:47,789 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:18:47,790 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:18:47,790 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:18:47,792 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:18:47,792 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:18:47,792 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:18:47,793 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:18:47,794 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:18:47,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:18:47,794 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:18:47,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:18:47,795 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:18:47,795 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:18:47,795 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:18:47,796 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:18:47,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:18:47,796 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:18:47,797 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 13:18:47,806 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:18:47,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:18:47,807 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:18:47,807 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:18:47,808 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:18:47,808 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:18:47,808 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:18:47,808 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:18:47,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:18:47,809 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:18:47,809 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:18:47,809 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:18:47,809 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:18:47,809 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:18:47,809 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:18:47,809 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:18:47,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:18:47,810 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 13:18:47,810 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 13:18:47,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:18:47,810 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:18:47,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 13:18:47,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:18:47,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:18:47,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:18:47,811 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 13:18:47,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:18:47,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:18:47,811 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/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 -> 1dbb3ffac91b20f4dd3e7b4eb671e84b2870fc33 [2018-11-10 13:18:47,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:18:47,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:18:47,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:18:47,849 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:18:47,849 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:18:47,850 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum04_true-unreach-call_true-termination.i [2018-11-10 13:18:47,895 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/data/b8031211a/99717b37d51640508f391ef45bc1c06a/FLAGb42932828 [2018-11-10 13:18:48,196 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:18:48,197 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/sv-benchmarks/c/loops/sum04_true-unreach-call_true-termination.i [2018-11-10 13:18:48,202 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/data/b8031211a/99717b37d51640508f391ef45bc1c06a/FLAGb42932828 [2018-11-10 13:18:48,213 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/data/b8031211a/99717b37d51640508f391ef45bc1c06a [2018-11-10 13:18:48,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:18:48,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:18:48,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:18:48,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:18:48,221 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:18:48,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb581ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48, skipping insertion in model container [2018-11-10 13:18:48,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:18:48,248 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:18:48,368 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:18:48,371 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:18:48,383 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:18:48,394 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:18:48,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48 WrapperNode [2018-11-10 13:18:48,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:18:48,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:18:48,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:18:48,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:18:48,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:18:48,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:18:48,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:18:48,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:18:48,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:18:48,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:18:48,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:18:48,436 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:18:48,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:18:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/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 [2018-11-10 13:18:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:18:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:18:48,602 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:18:48,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:48 BoogieIcfgContainer [2018-11-10 13:18:48,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:18:48,603 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 13:18:48,603 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 13:18:48,611 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 13:18:48,612 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:48" (1/1) ... [2018-11-10 13:18:48,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:18:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 13:18:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 13:18:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 13:18:48,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 13:18:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 13:18:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 13:18:48,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-10 13:18:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-10 13:18:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 13:18:48,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:48,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-10 13:18:48,837 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-10 13:18:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 13:18:48,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:48,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-10 13:18:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-10 13:18:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 13:18:48,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:49,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-10 13:18:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-10 13:18:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 13:18:49,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-11-10 13:18:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-10 13:18:49,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 13:18:49,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-11-10 13:18:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-10 13:18:49,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 13:18:49,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-11-10 13:18:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-11-10 13:18:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 13:18:49,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-11-10 13:18:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-11-10 13:18:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 13:18:49,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2018-11-10 13:18:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2018-11-10 13:18:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 13:18:50,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:18:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:18:50,691 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:18:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:18:50,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 23 states and 22 transitions. [2018-11-10 13:18:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-11-10 13:18:50,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:18:50,816 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-10 13:18:50,823 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 13:18:50,908 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 13:18:50,911 INFO L582 CodeCheckObserver]: Invariant with dag size 60 [2018-11-10 13:18:50,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:18:50 ImpRootNode [2018-11-10 13:18:50,919 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 13:18:50,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:18:50,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:18:50,919 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:18:50,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:18:48" (3/4) ... [2018-11-10 13:18:50,923 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:18:50,929 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 13:18:50,929 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 13:18:50,929 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 13:18:50,956 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7325669f-5236-4cee-a7e3-e71f57d6a3cf/bin-2019/ukojak/witness.graphml [2018-11-10 13:18:50,957 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:18:50,957 INFO L168 Benchmark]: Toolchain (without parser) took 2740.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 958.2 MB in the beginning and 853.8 MB in the end (delta: 104.3 MB). Peak memory consumption was 218.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:50,958 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:18:50,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.07 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:50,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.13 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:18:50,959 INFO L168 Benchmark]: Boogie Preprocessor took 14.64 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:50,960 INFO L168 Benchmark]: RCFGBuilder took 167.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:50,960 INFO L168 Benchmark]: CodeCheck took 2316.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 857.3 MB in the end (delta: 247.5 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:50,961 INFO L168 Benchmark]: Witness Printer took 37.46 ms. Allocated memory is still 1.1 GB. Free memory was 857.3 MB in the beginning and 853.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:18:50,963 INFO L336 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, 13 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10240 SDtfs, 4164 SDslu, 6264 SDs, 0 SdLazy, 12450 SolverSat, 6214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1079 GetRequests, 907 SyntacticMatches, 80 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3711 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 7634 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 90/330 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((((((((((2 <= sn && i <= 2) && 1 < i) && sn <= 2) || (((sn <= 10 && i <= 6) && 10 <= sn) && 5 < i)) || (((sn <= 12 && 6 < i) && 12 <= sn) && i <= 7)) || (((7 < i && 14 <= sn) && i <= 8) && sn <= 14)) || ((16 <= sn && 8 < i) && sn <= 16)) || (((2 < i && i <= 3) && sn <= 4) && 4 <= sn)) || (((sn <= 0 && 1 <= i) && i <= 1) && 0 <= sn)) || (((8 <= sn && 4 < i) && i <= 5) && sn <= 8)) || (((3 < i && sn <= 6) && 6 <= sn) && i <= 4) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.07 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.13 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.64 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 167.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2316.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 857.3 MB in the end (delta: 247.5 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. * Witness Printer took 37.46 ms. Allocated memory is still 1.1 GB. Free memory was 857.3 MB in the beginning and 853.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...