./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:35:02,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:35:02,835 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:35:02,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:35:02,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:35:02,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:35:02,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:35:02,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:35:02,848 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:35:02,848 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:35:02,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:35:02,849 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:35:02,850 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:35:02,851 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:35:02,852 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:35:02,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:35:02,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:35:02,854 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:35:02,856 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:35:02,857 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:35:02,858 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:35:02,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:35:02,860 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:35:02,861 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:35:02,861 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:35:02,862 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:35:02,862 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:35:02,863 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:35:02,864 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:35:02,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:35:02,865 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:35:02,865 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:35:02,865 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:35:02,866 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:35:02,866 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:35:02,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:35:02,867 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:35:02,878 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:35:02,878 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:35:02,879 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:35:02,879 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:35:02,880 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:35:02,880 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:35:02,880 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:35:02,880 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:35:02,880 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:35:02,881 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:35:02,881 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:35:02,881 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:35:02,881 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:35:02,881 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:35:02,881 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:35:02,882 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:35:02,882 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:35:02,882 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:35:02,882 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:35:02,882 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:35:02,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:35:02,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:35:02,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:35:02,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:35:02,883 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:35:02,883 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:35:02,884 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:35:02,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:35:02,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:35:02,884 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_265a697e-549f-43d3-9d60-70f3f06e1b62/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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2018-11-23 05:35:02,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:35:02,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:35:02,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:35:02,920 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:35:02,921 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:35:02,921 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-11-23 05:35:02,962 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/data/454ec603d/1734fc98c1e14fd3be15e69f0fb4452c/FLAGb4d46d356 [2018-11-23 05:35:03,362 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:35:03,363 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-11-23 05:35:03,373 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/data/454ec603d/1734fc98c1e14fd3be15e69f0fb4452c/FLAGb4d46d356 [2018-11-23 05:35:03,385 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/data/454ec603d/1734fc98c1e14fd3be15e69f0fb4452c [2018-11-23 05:35:03,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:35:03,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:35:03,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:35:03,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:35:03,393 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:35:03,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03, skipping insertion in model container [2018-11-23 05:35:03,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:35:03,438 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:35:03,676 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:35:03,680 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:35:03,757 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:35:03,770 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:35:03,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03 WrapperNode [2018-11-23 05:35:03,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:35:03,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:35:03,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:35:03,771 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:35:03,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:35:03,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:35:03,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:35:03,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:35:03,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... [2018-11-23 05:35:03,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:35:03,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:35:03,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:35:03,959 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:35:03,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:35:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/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 [2018-11-23 05:35:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 05:35:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:35:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:36:03,539 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:36:03,539 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 05:36:03,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:36:03 BoogieIcfgContainer [2018-11-23 05:36:03,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:36:03,540 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:36:03,540 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:36:03,548 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:36:03,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:36:03" (1/1) ... [2018-11-23 05:36:03,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:36:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 05:36:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 05:36:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 05:36:03,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 05:36:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 05:36:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 05:36:03,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-23 05:36:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-23 05:36:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 05:36:04,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2018-11-23 05:36:07,228 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2018-11-23 05:36:07,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 05:36:07,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:36:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-11-23 05:36:07,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-11-23 05:36:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 05:36:07,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 05:36:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2018-11-23 05:36:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2018-11-23 05:36:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 05:36:09,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 05:36:09,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:09,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2018-11-23 05:36:09,745 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2018-11-23 05:36:09,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 05:36:09,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 05:36:11,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2018-11-23 05:36:11,376 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2018-11-23 05:36:11,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 05:36:11,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 05:36:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2018-11-23 05:36:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2018-11-23 05:36:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 05:36:11,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 05:36:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 51 states and 91 transitions. [2018-11-23 05:36:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2018-11-23 05:36:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 05:36:12,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:36:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:36:13,118 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2018-11-23 05:36:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 05:36:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:36:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2018-11-23 05:36:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2018-11-23 05:36:13,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:36:13,581 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-23 05:36:13,588 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 05:36:13,835 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 05:36:13,847 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 05:36:13,848 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:36:13,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:36:13 ImpRootNode [2018-11-23 05:36:13,849 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:36:13,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:36:13,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:36:13,850 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:36:13,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:36:03" (3/4) ... [2018-11-23 05:36:13,856 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:36:13,873 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 05:36:13,874 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 05:36:13,875 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:36:13,876 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:36:13,967 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_265a697e-549f-43d3-9d60-70f3f06e1b62/bin-2019/ukojak/witness.graphml [2018-11-23 05:36:13,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:36:13,968 INFO L168 Benchmark]: Toolchain (without parser) took 70579.18 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 600.8 MB). Free memory was 952.3 MB in the beginning and 1.3 GB in the end (delta: -376.1 MB). Peak memory consumption was 224.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:13,968 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:36:13,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.82 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 920.0 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:13,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 920.0 MB in the beginning and 1.1 GB in the end (delta: -218.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:13,969 INFO L168 Benchmark]: Boogie Preprocessor took 56.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:13,969 INFO L168 Benchmark]: RCFGBuilder took 59581.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 847.0 MB in the end (delta: 288.0 MB). Peak memory consumption was 458.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:13,970 INFO L168 Benchmark]: CodeCheck took 10309.35 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 270.0 MB). Free memory was 847.0 MB in the beginning and 1.4 GB in the end (delta: -509.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:36:13,970 INFO L168 Benchmark]: Witness Printer took 116.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-11-23 05:36:13,972 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, 206 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6304 SDtfs, 12762 SDslu, 8512 SDs, 0 SdLazy, 35498 SolverSat, 4672 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1646 GetRequests, 1433 SyntacticMatches, 101 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6660 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 33736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 84/228 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: 196]: 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: 582]: Loop Invariant Derived loop invariant: (((a12 == 0 && !(a10 == 1)) && a4 == 14) || ((!(a19 == 7) && a12 == 0) && a4 == 14)) || (((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((8 <= a19 && a12 == 0) && a4 == 14) || (((((a1 <= 38 || 218 < a1) || a19 <= 6) || !(a10 == 1)) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.82 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 920.0 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 130.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 920.0 MB in the beginning and 1.1 GB in the end (delta: -218.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 59581.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 847.0 MB in the end (delta: 288.0 MB). Peak memory consumption was 458.4 MB. Max. memory is 11.5 GB. * CodeCheck took 10309.35 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 270.0 MB). Free memory was 847.0 MB in the beginning and 1.4 GB in the end (delta: -509.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 116.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...