./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/nested9_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_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/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 041ac1710be6e1a9f4a6c44510c9851574d3d115 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:19:29,795 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:19:29,797 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:19:29,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:19:29,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:19:29,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:19:29,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:19:29,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:19:29,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:19:29,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:19:29,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:19:29,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:19:29,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:19:29,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:19:29,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:19:29,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:19:29,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:19:29,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:19:29,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:19:29,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:19:29,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:19:29,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:19:29,831 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:19:29,832 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:19:29,832 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:19:29,833 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:19:29,833 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:19:29,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:19:29,835 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:19:29,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:19:29,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:19:29,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:19:29,838 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:19:29,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:19:29,840 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:19:29,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:19:29,840 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:19:29,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:19:29,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:19:29,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:19:29,855 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:19:29,856 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:19:29,856 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:19:29,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:19:29,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:19:29,857 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:19:29,857 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:19:29,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:19:29,857 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:19:29,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:19:29,859 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:19:29,859 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:19:29,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:19:29,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:19:29,860 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:19:29,860 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:19:29,860 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:19:29,860 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:19:29,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:19:29,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:19:29,861 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:19:29,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:19:29,863 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:19:29,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:19:29,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:19:29,863 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_8654d3fd-dd08-4aec-b264-282af5ae8d49/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 -> 041ac1710be6e1a9f4a6c44510c9851574d3d115 [2018-10-26 22:19:29,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:19:29,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:19:29,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:19:29,918 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:19:29,919 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:19:29,920 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i [2018-10-26 22:19:29,980 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/data/60b45f048/e0a6116e7cd94b5786419f806a6c619a/FLAG688bb1a49 [2018-10-26 22:19:30,350 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:19:30,351 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/sv-benchmarks/c/loop-invgen/nested9_true-unreach-call_true-termination.i [2018-10-26 22:19:30,357 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/data/60b45f048/e0a6116e7cd94b5786419f806a6c619a/FLAG688bb1a49 [2018-10-26 22:19:30,371 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/data/60b45f048/e0a6116e7cd94b5786419f806a6c619a [2018-10-26 22:19:30,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:19:30,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:19:30,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:19:30,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:19:30,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:19:30,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf30996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30, skipping insertion in model container [2018-10-26 22:19:30,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:19:30,419 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:19:30,567 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:19:30,570 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:19:30,586 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:19:30,601 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:19:30,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30 WrapperNode [2018-10-26 22:19:30,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:19:30,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:19:30,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:19:30,602 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:19:30,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:19:30,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:19:30,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:19:30,638 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:19:30,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... [2018-10-26 22:19:30,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:19:30,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:19:30,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:19:30,660 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:19:30,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:19:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/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 [2018-10-26 22:19:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:19:30,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:19:31,300 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:19:31,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:19:31 BoogieIcfgContainer [2018-10-26 22:19:31,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:19:31,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:19:31,302 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:19:31,313 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:19:31,313 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:19:31" (1/1) ... [2018-10-26 22:19:31,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:19:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-10-26 22:19:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-10-26 22:19:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 22:19:31,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-10-26 22:19:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-10-26 22:19:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 22:19:31,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:32,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-10-26 22:19:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-10-26 22:19:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 22:19:32,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:34,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2018-10-26 22:19:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2018-10-26 22:19:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 22:19:34,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:19:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2018-10-26 22:19:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2018-10-26 22:19:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:19:34,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:19:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2018-10-26 22:19:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2018-10-26 22:19:36,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:19:36,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:19:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2018-10-26 22:19:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2018-10-26 22:19:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 22:19:36,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:19:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-10-26 22:19:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-10-26 22:19:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:19:37,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:19:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 69 states and 104 transitions. [2018-10-26 22:19:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2018-10-26 22:19:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 22:19:38,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 22:19:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2018-10-26 22:19:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2018-10-26 22:19:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 22:19:39,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:19:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2018-10-26 22:19:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2018-10-26 22:19:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 22:19:41,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 22:19:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 82 states and 125 transitions. [2018-10-26 22:19:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2018-10-26 22:19:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 22:19:42,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 22:19:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 84 states and 126 transitions. [2018-10-26 22:19:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2018-10-26 22:19:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:19:42,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 40 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-26 22:19:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:43,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-10-26 22:19:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-10-26 22:19:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:19:43,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 22:19:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-10-26 22:19:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-10-26 22:19:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:19:44,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 22:19:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 101 states and 151 transitions. [2018-10-26 22:19:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2018-10-26 22:19:46,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 22:19:46,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:19:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:19:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 46 proven. 47 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 22:19:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:19:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-10-26 22:19:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-10-26 22:19:46,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:19:46,960 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2018-10-26 22:19:46,971 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:19:47,262 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 22 [2018-10-26 22:19:47,381 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:19:47,383 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-10-26 22:19:47,392 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-10-26 22:19:47,393 INFO L582 CodeCheckObserver]: Invariant with dag size 23 [2018-10-26 22:19:47,394 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:19:47,395 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:19:47,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:19:47 ImpRootNode [2018-10-26 22:19:47,395 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:19:47,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:19:47,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:19:47,396 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:19:47,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:19:31" (3/4) ... [2018-10-26 22:19:47,402 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:19:47,413 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 22:19:47,413 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:19:47,413 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:19:47,473 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8654d3fd-dd08-4aec-b264-282af5ae8d49/bin-2019/ukojak/witness.graphml [2018-10-26 22:19:47,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:19:47,474 INFO L168 Benchmark]: Toolchain (without parser) took 17096.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:19:47,475 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:19:47,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:19:47,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.31 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:19:47,476 INFO L168 Benchmark]: Boogie Preprocessor took 21.49 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:19:47,476 INFO L168 Benchmark]: RCFGBuilder took 641.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:19:47,477 INFO L168 Benchmark]: CodeCheck took 16093.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:19:47,477 INFO L168 Benchmark]: Witness Printer took 77.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:19:47,483 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, 24 locations, 1 error locations. SAFE Result, 15.6s OverallTime, 17 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 720896 SDtfs, 978596 SDslu, 1033272 SDs, 0 SdLazy, 2949114 SolverSat, 792530 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4663 GetRequests, 4177 SyntacticMatches, 262 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22084 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 561 NumberOfCodeBlocks, 561 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 545 ConstructedInterpolants, 0 QuantifiedInterpolants, 77127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 498/759 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: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (2 <= n && i + 1 <= n) || 3 * i <= j - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((j + 3 <= 2 * n + i && 2 <= n) && i + 1 <= n) || ((i <= 0 && j <= k) && 2 <= n)) || ((j <= k && 0 < i) && i + 1 <= n) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (((j + 3 <= 2 * n + i && 2 <= n) && i + 1 <= n) || ((i <= 0 && j <= k + 1) && 2 <= n)) || ((j <= k + 1 && 0 < i) && i + 1 <= n) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 222.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.31 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.49 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 641.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * CodeCheck took 16093.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 93.4 MB. Max. memory is 11.5 GB. * Witness Printer took 77.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...