./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_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_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/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 5f1f3e9c958502587d73771213325403adeeeeae .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:13:50,904 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:13:50,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:13:50,913 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:13:50,914 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:13:50,914 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:13:50,915 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:13:50,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:13:50,918 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:13:50,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:13:50,919 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:13:50,919 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:13:50,920 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:13:50,920 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:13:50,921 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:13:50,921 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:13:50,922 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:13:50,923 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:13:50,924 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:13:50,925 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:13:50,926 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:13:50,927 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:13:50,928 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:13:50,929 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:13:50,929 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:13:50,929 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:13:50,930 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:13:50,930 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:13:50,931 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:13:50,932 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:13:50,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:13:50,932 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:13:50,932 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:13:50,933 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:13:50,933 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:13:50,934 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:13:50,934 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 02:13:50,941 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:13:50,941 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:13:50,942 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:13:50,942 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:13:50,942 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:13:50,942 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:13:50,943 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:13:50,943 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:13:50,943 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:13:50,943 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:13:50,943 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:13:50,943 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:13:50,943 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:13:50,943 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:13:50,944 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:13:50,944 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:13:50,944 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:13:50,944 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:13:50,944 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:13:50,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:13:50,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:13:50,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:13:50,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:13:50,945 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:13:50,945 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:13:50,945 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 02:13:50,945 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:13:50,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:13:50,945 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_766321d7-11d4-4abf-8cfd-8d3baf8ea512/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 -> 5f1f3e9c958502587d73771213325403adeeeeae [2018-11-10 02:13:50,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:13:50,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:13:50,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:13:50,983 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:13:50,983 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:13:50,984 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-11-10 02:13:51,027 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/data/b45eac8cb/1c79f2395522467c8736b6f7aabeee6e/FLAG32a76326b [2018-11-10 02:13:51,378 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:13:51,378 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/sv-benchmarks/c/eca-rers2012/Problem10_label59_true-unreach-call.c [2018-11-10 02:13:51,389 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/data/b45eac8cb/1c79f2395522467c8736b6f7aabeee6e/FLAG32a76326b [2018-11-10 02:13:51,401 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/data/b45eac8cb/1c79f2395522467c8736b6f7aabeee6e [2018-11-10 02:13:51,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:13:51,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:13:51,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:13:51,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:13:51,408 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:13:51,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305850f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51, skipping insertion in model container [2018-11-10 02:13:51,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:13:51,454 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:13:51,660 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:13:51,662 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:13:51,728 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:13:51,740 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:13:51,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51 WrapperNode [2018-11-10 02:13:51,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:13:51,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:13:51,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:13:51,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:13:51,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:13:51,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:13:51,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:13:51,864 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:13:51,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... [2018-11-10 02:13:51,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:13:51,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:13:51,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:13:51,915 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:13:51,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:13:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 02:13:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:13:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:15:38,129 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:15:38,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:15:38 BoogieIcfgContainer [2018-11-10 02:15:38,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:15:38,130 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:15:38,130 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:15:38,136 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:15:38,137 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:15:38" (1/1) ... [2018-11-10 02:15:38,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:15:38,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:15:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 02:15:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 02:15:38,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 02:15:38,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:15:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:15:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:15:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:15:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 02:15:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 02:15:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 02:15:38,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:15:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:15:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:15:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:15:39,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-10 02:15:39,129 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-10 02:15:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 02:15:39,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:15:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:15:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:15:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:15:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-10 02:15:40,383 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-10 02:15:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 02:15:40,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:15:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:15:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:15:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:15:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-10 02:15:50,888 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-10 02:15:50,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 02:15:50,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:15:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:15:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:15:51,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:15:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-11-10 02:15:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-11-10 02:15:51,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 02:15:51,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:15:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:15:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:16:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:16:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2018-11-10 02:16:13,217 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2018-11-10 02:16:13,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 02:16:13,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:16:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:16:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:16:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:16:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2018-11-10 02:16:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2018-11-10 02:16:14,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 02:16:14,278 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-11-10 02:16:14,285 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 02:16:14,592 INFO L582 CodeCheckObserver]: Invariant with dag size 44 [2018-11-10 02:16:14,601 INFO L582 CodeCheckObserver]: Invariant with dag size 26 [2018-11-10 02:16:14,602 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:16:14,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 02:16:14 ImpRootNode [2018-11-10 02:16:14,602 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 02:16:14,603 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:16:14,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:16:14,603 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:16:14,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:15:38" (3/4) ... [2018-11-10 02:16:14,606 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 02:16:14,622 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 02:16:14,623 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 02:16:14,624 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 02:16:14,625 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 02:16:14,722 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_766321d7-11d4-4abf-8cfd-8d3baf8ea512/bin-2019/ukojak/witness.graphml [2018-11-10 02:16:14,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:16:14,723 INFO L168 Benchmark]: Toolchain (without parser) took 143319.35 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 404.8 MB). Free memory was 957.6 MB in the beginning and 1.0 GB in the end (delta: -54.9 MB). Peak memory consumption was 349.9 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:14,724 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:16:14,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.32 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:14,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 928.1 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:14,725 INFO L168 Benchmark]: Boogie Preprocessor took 50.92 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:14,725 INFO L168 Benchmark]: RCFGBuilder took 106214.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -51.7 MB). Peak memory consumption was 350.0 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:14,726 INFO L168 Benchmark]: CodeCheck took 36472.51 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 131.6 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 139.2 MB). Peak memory consumption was 270.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:14,726 INFO L168 Benchmark]: Witness Printer took 119.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:16:14,728 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, 36.1s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 884 SDtfs, 2120 SDslu, 2000 SDs, 0 SdLazy, 4342 SolverSat, 694 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 83.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 995 GetRequests, 841 SyntacticMatches, 70 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4684 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 33660 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/97 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: 199]: 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: ((((((!(a19 == 9) || 0 < a1 + 13) || !(a10 == 0)) && a12 == 0) && a4 == 14) && (!(a10 == 3) || 0 <= a1 + 600000)) && !(((23 <= a1 && a1 <= 23) && a19 == 9) && a10 == 0)) || (((23 <= a1 && a12 == 0) && ((((2 == input || 4 == input) || 3 == input) || 6 == input) || 5 == input)) && a4 == 14) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((a12 == 0 && ((!(a19 == 9) || !(a10 == 0)) || 0 <= a1 + 12)) && a4 == 14) && (!(a10 == 3) || 0 <= a1 + 600000) - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.32 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 928.1 MB in the beginning and 1.1 GB in the end (delta: -198.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.92 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 106214.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -51.7 MB). Peak memory consumption was 350.0 MB. Max. memory is 11.5 GB. * CodeCheck took 36472.51 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 131.6 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 139.2 MB). Peak memory consumption was 270.8 MB. Max. memory is 11.5 GB. * Witness Printer took 119.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...