./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label33_true-unreach-call.c --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_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label33_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/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 1b7a7a5814a56a9e6dbbad2923f39cc878cc4b23 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:38:10,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:38:10,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:38:10,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:38:10,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:38:10,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:38:10,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:38:10,902 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:38:10,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:38:10,904 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:38:10,905 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:38:10,905 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:38:10,905 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:38:10,906 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:38:10,907 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:38:10,907 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:38:10,908 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:38:10,909 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:38:10,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:38:10,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:38:10,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:38:10,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:38:10,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:38:10,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:38:10,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:38:10,916 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:38:10,917 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:38:10,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:38:10,918 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:38:10,919 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:38:10,919 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:38:10,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:38:10,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:38:10,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:38:10,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:38:10,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:38:10,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:38:10,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:38:10,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:38:10,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:38:10,933 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:38:10,933 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:38:10,933 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:38:10,934 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:38:10,934 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:38:10,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:38:10,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:38:10,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:38:10,934 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:38:10,934 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:38:10,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:38:10,935 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:38:10,935 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:38:10,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:38:10,935 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:38:10,935 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:38:10,935 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:38:10,935 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:38:10,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:38:10,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:38:10,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:38:10,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:38:10,936 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:38:10,936 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:38:10,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:38:10,936 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_fd49ac7e-f7f0-4607-a49a-aa26d545396d/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 -> 1b7a7a5814a56a9e6dbbad2923f39cc878cc4b23 [2018-11-09 23:38:10,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:38:10,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:38:10,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:38:10,968 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:38:10,968 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:38:10,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label33_true-unreach-call.c [2018-11-09 23:38:11,003 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/data/388fe6322/c825ea590fb848afab050cb15741bac4/FLAG5b0318ee2 [2018-11-09 23:38:11,456 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:38:11,457 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/sv-benchmarks/c/eca-rers2012/Problem10_label33_true-unreach-call.c [2018-11-09 23:38:11,466 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/data/388fe6322/c825ea590fb848afab050cb15741bac4/FLAG5b0318ee2 [2018-11-09 23:38:11,478 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/data/388fe6322/c825ea590fb848afab050cb15741bac4 [2018-11-09 23:38:11,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:38:11,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:38:11,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:38:11,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:38:11,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:38:11,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1315c565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11, skipping insertion in model container [2018-11-09 23:38:11,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:38:11,527 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:38:11,742 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:38:11,745 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:38:11,810 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:38:11,822 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:38:11,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11 WrapperNode [2018-11-09 23:38:11,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:38:11,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:38:11,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:38:11,823 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:38:11,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:38:11,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:38:11,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:38:11,936 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:38:11,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... [2018-11-09 23:38:11,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:38:11,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:38:11,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:38:11,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:38:11,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:38:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/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 [2018-11-09 23:38:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-09 23:38:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:38:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:40:30,678 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:40:30,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:40:30 BoogieIcfgContainer [2018-11-09 23:40:30,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:40:30,679 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:40:30,679 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:40:30,687 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:40:30,688 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:40:30" (1/1) ... [2018-11-09 23:40:30,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:40:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-09 23:40:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-09 23:40:30,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:40:30,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:40:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:40:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:40:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-09 23:40:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-09 23:40:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-09 23:40:30,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:40:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:40:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:40:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-11-09 23:40:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-11-09 23:40:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-09 23:40:31,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:40:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:40:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:40:32,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-11-09 23:40:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-11-09 23:40:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-09 23:40:32,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:40:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:40:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:40:32,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-11-09 23:40:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-11-09 23:40:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-09 23:40:32,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:40:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:40:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:40:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-11-09 23:40:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-11-09 23:40:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-09 23:40:33,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:40:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:40:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-09 23:40:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-11-09 23:40:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-11-09 23:40:34,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-09 23:40:34,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:40:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:40:35,110 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-09 23:40:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2018-11-09 23:40:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2018-11-09 23:40:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-09 23:40:35,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:40:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:40:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-09 23:40:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:40:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-11-09 23:40:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-11-09 23:40:36,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 23:40:36,475 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-09 23:40:36,483 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-09 23:40:36,749 INFO L582 CodeCheckObserver]: Invariant with dag size 27 [2018-11-09 23:40:36,756 INFO L582 CodeCheckObserver]: Invariant with dag size 26 [2018-11-09 23:40:36,757 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:40:36,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:40:36 ImpRootNode [2018-11-09 23:40:36,757 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:40:36,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:40:36,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:40:36,758 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:40:36,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:40:30" (3/4) ... [2018-11-09 23:40:36,762 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 23:40:36,777 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 181 nodes and edges [2018-11-09 23:40:36,778 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-09 23:40:36,779 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-09 23:40:36,883 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd49ac7e-f7f0-4607-a49a-aa26d545396d/bin-2019/ukojak/witness.graphml [2018-11-09 23:40:36,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:40:36,884 INFO L168 Benchmark]: Toolchain (without parser) took 145403.61 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 287.3 MB). Free memory was 951.8 MB in the beginning and 807.8 MB in the end (delta: 144.0 MB). Peak memory consumption was 431.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:40:36,885 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:40:36,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.98 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 919.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-09 23:40:36,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 919.5 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:40:36,886 INFO L168 Benchmark]: Boogie Preprocessor took 47.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:40:36,886 INFO L168 Benchmark]: RCFGBuilder took 138694.86 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 793.5 MB in the end (delta: 302.6 MB). Peak memory consumption was 473.5 MB. Max. memory is 11.5 GB. [2018-11-09 23:40:36,887 INFO L168 Benchmark]: CodeCheck took 6078.74 ms. Allocated memory is still 1.3 GB. Free memory was 793.5 MB in the beginning and 826.7 MB in the end (delta: -33.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:40:36,887 INFO L168 Benchmark]: Witness Printer took 125.90 ms. Allocated memory is still 1.3 GB. Free memory was 826.7 MB in the beginning and 807.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-11-09 23:40:36,891 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, 207 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1796 SDtfs, 4186 SDslu, 4112 SDs, 0 SdLazy, 8336 SolverSat, 1178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1276 GetRequests, 1096 SyntacticMatches, 70 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6263 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 29310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 35/162 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: 136]: 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: (((!(a19 == 7) && a4 == 14) || !(a10 == 3)) || ((a1 <= 38 || 219 <= a1) && a4 == 14)) || (a19 == 6 || a19 == 8) || 9 <= a19 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a19 == 6 || a19 == 8) || 9 <= a19) || (((a1 <= 38 || 218 < a1) || !(a19 == 7)) && a4 == 14)) || !(a10 == 3) - 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.98 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 919.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 919.5 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 138694.86 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 793.5 MB in the end (delta: 302.6 MB). Peak memory consumption was 473.5 MB. Max. memory is 11.5 GB. * CodeCheck took 6078.74 ms. Allocated memory is still 1.3 GB. Free memory was 793.5 MB in the beginning and 826.7 MB in the end (delta: -33.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 125.90 ms. Allocated memory is still 1.3 GB. Free memory was 826.7 MB in the beginning and 807.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...