./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.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_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/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 d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:33:09,562 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:33:09,563 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:33:09,570 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:33:09,571 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:33:09,571 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:33:09,572 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:33:09,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:33:09,574 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:33:09,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:33:09,576 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:33:09,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:33:09,576 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:33:09,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:33:09,578 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:33:09,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:33:09,579 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:33:09,580 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:33:09,582 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:33:09,583 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:33:09,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:33:09,584 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:33:09,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:33:09,586 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:33:09,586 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:33:09,587 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:33:09,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:33:09,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:33:09,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:33:09,590 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:33:09,590 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:33:09,590 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:33:09,590 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:33:09,591 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:33:09,591 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:33:09,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:33:09,592 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:33:09,602 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:33:09,602 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:33:09,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:33:09,603 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:33:09,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:33:09,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:33:09,604 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:33:09,604 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:33:09,604 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:33:09,604 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:33:09,604 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:33:09,605 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:33:09,605 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:33:09,605 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:33:09,605 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:33:09,605 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:33:09,605 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:33:09,605 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:33:09,606 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:33:09,606 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:33:09,606 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:33:09,606 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:33:09,606 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:33:09,606 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:33:09,606 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:33:09,607 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:33:09,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:33:09,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:33:09,607 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_0db9dee6-ee2b-4a65-8316-bfd158d55121/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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2018-11-09 23:33:09,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:33:09,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:33:09,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:33:09,640 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:33:09,640 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:33:09,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-09 23:33:09,676 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/data/c5c4ccc5b/838043b79a694a0a88065f0148c8471a/FLAGaa5993e5a [2018-11-09 23:33:10,132 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:33:10,132 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/sv-benchmarks/c/eca-rers2012/Problem14_label55_true-unreach-call_false-termination.c [2018-11-09 23:33:10,142 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/data/c5c4ccc5b/838043b79a694a0a88065f0148c8471a/FLAGaa5993e5a [2018-11-09 23:33:10,153 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/data/c5c4ccc5b/838043b79a694a0a88065f0148c8471a [2018-11-09 23:33:10,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:33:10,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:33:10,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:33:10,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:33:10,161 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:33:10,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10, skipping insertion in model container [2018-11-09 23:33:10,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:33:10,207 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:33:10,454 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:33:10,457 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:33:10,545 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:33:10,557 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:33:10,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10 WrapperNode [2018-11-09 23:33:10,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:33:10,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:33:10,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:33:10,559 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:33:10,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:33:10,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:33:10,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:33:10,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:33:10,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... [2018-11-09 23:33:10,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:33:10,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:33:10,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:33:10,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:33:10,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:33:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-09 23:33:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:33:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:38:41,696 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:38:41,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:38:41 BoogieIcfgContainer [2018-11-09 23:38:41,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:38:41,697 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:38:41,697 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:38:41,706 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:38:41,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:38:41" (1/1) ... [2018-11-09 23:38:41,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:38:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-09 23:38:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-09 23:38:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:38:41,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:38:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:38:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-09 23:38:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-09 23:38:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-09 23:38:52,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:38:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:38:52,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-09 23:38:52,830 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-09 23:38:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-09 23:38:52,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:38:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:38:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:38:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-11-09 23:38:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-11-09 23:38:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-09 23:38:54,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:38:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:38:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:38:55,934 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-11-09 23:39:16,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:39:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-11-09 23:39:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-11-09 23:39:16,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-09 23:39:16,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:39:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:39:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:39:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:39:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2018-11-09 23:39:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2018-11-09 23:39:17,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 23:39:17,708 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-09 23:39:17,715 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-09 23:39:17,991 INFO L582 CodeCheckObserver]: Invariant with dag size 27 [2018-11-09 23:39:18,000 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-11-09 23:39:18,001 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:39:18,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:39:18 ImpRootNode [2018-11-09 23:39:18,002 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:39:18,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:39:18,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:39:18,003 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:39:18,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:38:41" (3/4) ... [2018-11-09 23:39:18,007 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 23:39:18,023 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-11-09 23:39:18,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-09 23:39:18,024 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-09 23:39:18,025 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-09 23:39:18,112 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0db9dee6-ee2b-4a65-8316-bfd158d55121/bin-2019/ukojak/witness.graphml [2018-11-09 23:39:18,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:39:18,113 INFO L168 Benchmark]: Toolchain (without parser) took 367956.23 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 489.7 MB). Free memory was 952.2 MB in the beginning and 1.3 GB in the end (delta: -365.8 MB). Peak memory consumption was 123.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:18,113 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:39:18,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.43 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 909.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:18,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 909.2 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:18,114 INFO L168 Benchmark]: Boogie Preprocessor took 46.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:18,114 INFO L168 Benchmark]: RCFGBuilder took 330951.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 856.1 MB in the end (delta: 240.9 MB). Peak memory consumption was 388.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:18,115 INFO L168 Benchmark]: CodeCheck took 36305.62 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 334.0 MB). Free memory was 850.5 MB in the beginning and 1.3 GB in the end (delta: -491.5 MB). Peak memory consumption was 278.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:18,115 INFO L168 Benchmark]: Witness Printer took 109.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-09 23:39:18,117 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, 35.9s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 224 SDtfs, 510 SDslu, 512 SDs, 0 SdLazy, 974 SolverSat, 152 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 91.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 567 SyntacticMatches, 39 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2459 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 17150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/71 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: 175]: 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: 880]: Loop Invariant Derived loop invariant: ((a15 == 7 && !(a21 == 7)) || a12 <= 80) || ((!(a24 == 1) || !(a15 == 7)) && (((!(a15 == 9) || !(a21 == 6)) || a12 <= 300040) || !(a24 == 1))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a12 <= 80 || !(a24 == 1)) || !(a15 == 7)) || !(a21 == 7)) && (((!(a15 == 9) || !(a21 == 6)) || a12 <= 300040) || !(a24 == 1)) - 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.43 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 909.2 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 138.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 909.2 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330951.21 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 856.1 MB in the end (delta: 240.9 MB). Peak memory consumption was 388.1 MB. Max. memory is 11.5 GB. * CodeCheck took 36305.62 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 334.0 MB). Free memory was 850.5 MB in the beginning and 1.3 GB in the end (delta: -491.5 MB). Peak memory consumption was 278.7 MB. Max. memory is 11.5 GB. * Witness Printer took 109.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...