./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/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 3812c831b8b49ff0b200ce5b38627f93268691f2 ......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:41:39,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:41:39,574 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:41:39,580 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:41:39,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:41:39,581 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:41:39,582 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:41:39,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:41:39,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:41:39,584 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:41:39,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:41:39,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:41:39,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:41:39,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:41:39,587 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:41:39,588 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:41:39,589 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:41:39,590 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:41:39,592 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:41:39,593 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:41:39,593 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:41:39,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:41:39,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:41:39,596 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:41:39,596 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:41:39,597 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:41:39,597 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:41:39,598 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:41:39,599 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:41:39,599 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:41:39,599 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:41:39,600 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:41:39,600 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:41:39,600 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:41:39,601 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:41:39,601 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:41:39,601 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 15:41:39,611 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:41:39,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:41:39,612 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:41:39,612 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:41:39,613 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:41:39,613 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:41:39,613 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:41:39,613 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:41:39,613 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:41:39,613 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:41:39,613 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:41:39,613 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:41:39,614 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:41:39,614 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:41:39,614 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:41:39,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:41:39,614 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:41:39,614 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:41:39,614 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 15:41:39,614 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 15:41:39,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:41:39,615 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:41:39,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 15:41:39,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:41:39,615 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:41:39,615 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:41:39,615 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 15:41:39,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:41:39,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:41:39,616 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_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/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 -> 3812c831b8b49ff0b200ce5b38627f93268691f2 [2018-11-18 15:41:39,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:41:39,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:41:39,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:41:39,653 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:41:39,653 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:41:39,654 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-11-18 15:41:39,699 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/data/316e6dc17/2ed32228f12846a786ad203efbc0434f/FLAGe377d1e0d [2018-11-18 15:41:40,070 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:41:40,071 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/sv-benchmarks/c/eca-rers2012/Problem14_label42_true-unreach-call_false-termination.c [2018-11-18 15:41:40,080 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/data/316e6dc17/2ed32228f12846a786ad203efbc0434f/FLAGe377d1e0d [2018-11-18 15:41:40,092 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/data/316e6dc17/2ed32228f12846a786ad203efbc0434f [2018-11-18 15:41:40,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:41:40,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:41:40,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:41:40,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:41:40,098 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:41:40,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40, skipping insertion in model container [2018-11-18 15:41:40,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:41:40,142 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:41:40,406 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:41:40,410 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:41:40,493 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:41:40,507 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:41:40,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40 WrapperNode [2018-11-18 15:41:40,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:41:40,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:41:40,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:41:40,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:41:40,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:41:40,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:41:40,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:41:40,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:41:40,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... [2018-11-18 15:41:40,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:41:40,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:41:40,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:41:40,683 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:41:40,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:41:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/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 [2018-11-18 15:41:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:41:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:41:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:45:53,551 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:45:53,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:45:53 BoogieIcfgContainer [2018-11-18 15:45:53,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:45:53,552 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 15:45:53,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 15:45:53,561 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 15:45:53,561 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:45:53" (1/1) ... [2018-11-18 15:45:53,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:45:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:45:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 15:45:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 15:45:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 15:45:53,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:45:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:45:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:45:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:45:53,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 15:45:53,810 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 15:45:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:45:53,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:45:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:45:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:45:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:45:54,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-18 15:45:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-18 15:45:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:45:54,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:45:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:45:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:45:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:45:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-11-18 15:45:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-11-18 15:45:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:45:55,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:45:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:45:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:45:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:45:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2018-11-18 15:45:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2018-11-18 15:45:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 15:45:56,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:45:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:45:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:45:57,045 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2018-11-18 15:45:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:45:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-11-18 15:45:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-11-18 15:45:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:45:57,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:45:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:45:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:46:14,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:46:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-11-18 15:46:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-11-18 15:46:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 15:46:14,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:46:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:46:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:46:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:46:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2018-11-18 15:46:14,933 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2018-11-18 15:46:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 15:46:14,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:46:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:46:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:46:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:46:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 106 transitions. [2018-11-18 15:46:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 106 transitions. [2018-11-18 15:46:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 15:46:37,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 15:46:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:46:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:46:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 15:46:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2018-11-18 15:46:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2018-11-18 15:46:40,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:46:40,214 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-18 15:46:40,220 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 15:46:40,416 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2018-11-18 15:46:40,559 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2018-11-18 15:46:40,727 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2018-11-18 15:46:40,875 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2018-11-18 15:46:41,003 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2018-11-18 15:46:41,003 INFO L579 CodeCheckObserver]: Invariant with dag size 61 [2018-11-18 15:46:41,013 INFO L579 CodeCheckObserver]: Invariant with dag size 48 [2018-11-18 15:46:41,014 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 15:46:41,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 03:46:41 ImpRootNode [2018-11-18 15:46:41,014 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 15:46:41,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:46:41,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:46:41,015 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:46:41,016 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:45:53" (3/4) ... [2018-11-18 15:46:41,018 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:46:41,037 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-18 15:46:41,038 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 15:46:41,039 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:46:41,040 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:46:41,126 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cdb3bef1-0185-445b-b54c-ff6ee9dafdb0/bin-2019/ukojak/witness.graphml [2018-11-18 15:46:41,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:46:41,126 INFO L168 Benchmark]: Toolchain (without parser) took 301032.15 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 528.5 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -322.0 MB). Peak memory consumption was 206.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:46:41,127 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:46:41,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.59 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 913.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:46:41,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 913.6 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:46:41,128 INFO L168 Benchmark]: Boogie Preprocessor took 57.03 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. [2018-11-18 15:46:41,128 INFO L168 Benchmark]: RCFGBuilder took 252868.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Free memory was 1.1 GB in the beginning and 915.6 MB in the end (delta: 192.2 MB). Peak memory consumption was 380.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:46:41,128 INFO L168 Benchmark]: CodeCheck took 47462.36 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 351.8 MB). Free memory was 909.8 MB in the beginning and 1.3 GB in the end (delta: -393.5 MB). Peak memory consumption was 475.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:46:41,129 INFO L168 Benchmark]: Witness Printer took 111.35 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:46:41,130 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, 246 locations, 1 error locations. SAFE Result, 46.6s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3328 SDtfs, 8060 SDslu, 7168 SDs, 0 SdLazy, 17930 SolverSat, 2530 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 103.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1574 GetRequests, 1318 SyntacticMatches, 110 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14777 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 69135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 10/213 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: 130]: 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: ((((((((a21 == 10 || a15 == 5) || a21 == 8) || a21 == 7) && !(a15 == 8 && a24 == 1)) || ((0 <= a12 + 49 && (((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input)) && a21 == 7)) || (!(a15 == 7) && a21 == 9)) || (((((a21 == 6 || 8 == a15) || 0 <= a12 + 42) || 9 == a15) || a15 == 6) && !(a21 == 7))) || (0 < a12 + 49 && a21 == 7)) || (!(((a21 == 10 || a15 == 5) || a21 == 8) || a21 == 7) && !(a24 == 2) && !(7 == a15)) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((a21 == 10 || a15 == 5) || a21 == 8) || (((((a21 == 6 || 8 == a15) || 0 <= a12 + 42) || 9 == a15) || a15 == 6) && !(a21 == 7))) || (!(a15 == 7) && a21 == 9)) || ((!(a24 == 2) && !(7 == a15)) && !(a21 == 7))) || (!(a15 == 8 && a24 == 1) && a21 == 7)) || (0 <= a12 + 49 && a21 == 7) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 412.59 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 913.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 913.6 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.03 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 252868.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Free memory was 1.1 GB in the beginning and 915.6 MB in the end (delta: 192.2 MB). Peak memory consumption was 380.7 MB. Max. memory is 11.5 GB. * CodeCheck took 47462.36 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 351.8 MB). Free memory was 909.8 MB in the beginning and 1.3 GB in the end (delta: -393.5 MB). Peak memory consumption was 475.5 MB. Max. memory is 11.5 GB. * Witness Printer took 111.35 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...