./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_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_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/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 6e679f9bfc379fa4fbede70512fc16896a5c333e ............................................................................................................................................................................................................................................................ 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 05:21:49,079 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:21:49,081 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:21:49,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:21:49,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:21:49,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:21:49,090 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:21:49,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:21:49,093 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:21:49,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:21:49,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:21:49,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:21:49,095 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:21:49,095 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:21:49,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:21:49,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:21:49,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:21:49,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:21:49,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:21:49,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:21:49,102 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:21:49,103 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:21:49,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:21:49,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:21:49,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:21:49,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:21:49,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:21:49,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:21:49,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:21:49,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:21:49,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:21:49,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:21:49,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:21:49,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:21:49,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:21:49,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:21:49,111 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:21:49,120 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:21:49,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:21:49,121 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:21:49,121 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:21:49,122 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:21:49,122 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:21:49,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:21:49,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:21:49,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:21:49,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:21:49,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:21:49,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:21:49,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:21:49,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:21:49,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:21:49,124 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:21:49,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:21:49,124 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:21:49,124 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:21:49,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:21:49,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:21:49,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:21:49,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:21:49,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:21:49,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:21:49,125 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:21:49,125 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:21:49,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:21:49,125 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_c83beb4a-6b67-4437-9de0-c79e77abf7d5/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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2018-11-10 05:21:49,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:21:49,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:21:49,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:21:49,160 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:21:49,161 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:21:49,161 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-10 05:21:49,197 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/data/534563e23/a4ef2252182f43daa86845984c40b209/FLAGb745cfb5e [2018-11-10 05:21:49,650 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:21:49,650 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-10 05:21:49,660 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/data/534563e23/a4ef2252182f43daa86845984c40b209/FLAGb745cfb5e [2018-11-10 05:21:49,672 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/data/534563e23/a4ef2252182f43daa86845984c40b209 [2018-11-10 05:21:49,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:21:49,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:21:49,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:21:49,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:21:49,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:21:49,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:21:49" (1/1) ... [2018-11-10 05:21:49,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4104a14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:49, skipping insertion in model container [2018-11-10 05:21:49,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:21:49" (1/1) ... [2018-11-10 05:21:49,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:21:49,725 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:21:49,921 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:21:49,924 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:21:49,990 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:21:50,002 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:21:50,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50 WrapperNode [2018-11-10 05:21:50,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:21:50,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:21:50,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:21:50,003 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:21:50,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:21:50,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:21:50,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:21:50,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:21:50,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... [2018-11-10 05:21:50,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:21:50,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:21:50,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:21:50,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:21:50,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:21:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/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 05:21:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:21:50,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:21:50,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:23:29,151 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:23:29,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:23:29 BoogieIcfgContainer [2018-11-10 05:23:29,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:23:29,152 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:23:29,153 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:23:29,159 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:23:29,159 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:23:29" (1/1) ... [2018-11-10 05:23:29,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:23:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 05:23:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 05:23:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:23:29,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:23:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:23:29,357 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 05:23:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 05:23:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 05:23:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:23:29,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:23:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:23:29,690 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 05:23:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-10 05:23:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-10 05:23:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:23:39,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:23:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:23:40,406 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 05:23:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-10 05:23:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-10 05:23:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:23:40,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:23:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:23:41,135 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 05:23:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2018-11-10 05:23:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2018-11-10 05:23:41,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:23:41,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:23:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:23:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:23:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-11-10 05:23:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-11-10 05:23:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:23:41,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:23:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:23:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 05:23:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2018-11-10 05:23:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2018-11-10 05:23:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:23:42,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:23:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:23:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 05:23:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-11-10 05:23:43,376 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-11-10 05:23:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 05:23:43,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:23:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:23:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:23:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:23:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2018-11-10 05:23:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-11-10 05:23:45,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:23:45,277 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-10 05:23:45,283 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:23:45,419 INFO L582 CodeCheckObserver]: Invariant with dag size 22 [2018-11-10 05:23:45,426 INFO L582 CodeCheckObserver]: Invariant with dag size 20 [2018-11-10 05:23:45,427 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:23:45,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:23:45 ImpRootNode [2018-11-10 05:23:45,427 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:23:45,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:23:45,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:23:45,428 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:23:45,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:23:29" (3/4) ... [2018-11-10 05:23:45,432 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:23:45,448 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 05:23:45,449 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 05:23:45,450 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:23:45,451 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:23:45,550 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c83beb4a-6b67-4437-9de0-c79e77abf7d5/bin-2019/ukojak/witness.graphml [2018-11-10 05:23:45,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:23:45,551 INFO L168 Benchmark]: Toolchain (without parser) took 115875.32 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 558.4 MB). Free memory was 956.5 MB in the beginning and 1.4 GB in the end (delta: -467.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:23:45,552 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:23:45,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.46 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 916.2 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:23:45,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -226.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:23:45,553 INFO L168 Benchmark]: Boogie Preprocessor took 46.84 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:23:45,554 INFO L168 Benchmark]: RCFGBuilder took 98981.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -148.2 MB). Peak memory consumption was 505.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:23:45,554 INFO L168 Benchmark]: CodeCheck took 16274.95 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 213.4 MB). Free memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: -169.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:23:45,555 INFO L168 Benchmark]: Witness Printer took 122.67 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:23:45,557 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, 16.1s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1788 SDtfs, 4034 SDslu, 4080 SDs, 0 SdLazy, 7340 SolverSat, 1086 SolverUnsat, 128 SolverUnknown, 0 SolverNotchecked, 72.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1348 GetRequests, 1163 SyntacticMatches, 95 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4681 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 33420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 83/219 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: 142]: 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) || 0 <= a1 + 12)) && a4 == 14) || ((!(a19 == 7) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a19 == 7) || 0 < a1 + 13) || !(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 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.46 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 916.2 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -226.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.84 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 98981.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -148.2 MB). Peak memory consumption was 505.5 MB. Max. memory is 11.5 GB. * CodeCheck took 16274.95 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 213.4 MB). Free memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: -169.3 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * Witness Printer took 122.67 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...