./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/bhmr2007_true-unreach-call_true-termination.c.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/bhmr2007_true-unreach-call_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/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 cc52fae450c71cb08003ff68124573964734a280 ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:23:42,559 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:23:42,560 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:23:42,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:23:42,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:23:42,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:23:42,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:23:42,571 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:23:42,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:23:42,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:23:42,574 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:23:42,574 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:23:42,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:23:42,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:23:42,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:23:42,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:23:42,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:23:42,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:23:42,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:23:42,580 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:23:42,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:23:42,582 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:23:42,583 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:23:42,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:23:42,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:23:42,584 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:23:42,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:23:42,586 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:23:42,586 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:23:42,587 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:23:42,587 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:23:42,588 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:23:42,588 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:23:42,588 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:23:42,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:23:42,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:23:42,589 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 21:23:42,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:23:42,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:23:42,599 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:23:42,599 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 21:23:42,600 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:23:42,600 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:23:42,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:23:42,600 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:23:42,600 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:23:42,600 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:23:42,601 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:23:42,601 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:23:42,601 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:23:42,601 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:23:42,601 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:23:42,601 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:23:42,602 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:23:42,602 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:23:42,602 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 21:23:42,602 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 21:23:42,602 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:23:42,602 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:23:42,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:23:42,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:23:42,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:23:42,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:23:42,603 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 21:23:42,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:23:42,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:23:42,604 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_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/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 -> cc52fae450c71cb08003ff68124573964734a280 [2018-11-22 21:23:42,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:23:42,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:23:42,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:23:42,637 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:23:42,637 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:23:42,638 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/../../sv-benchmarks/c/loop-lit/bhmr2007_true-unreach-call_true-termination.c.i [2018-11-22 21:23:42,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/data/b8c650e61/e0a4421465424f0f870841eca8164892/FLAG5871f8c79 [2018-11-22 21:23:43,014 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:23:43,014 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/sv-benchmarks/c/loop-lit/bhmr2007_true-unreach-call_true-termination.c.i [2018-11-22 21:23:43,019 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/data/b8c650e61/e0a4421465424f0f870841eca8164892/FLAG5871f8c79 [2018-11-22 21:23:43,436 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/data/b8c650e61/e0a4421465424f0f870841eca8164892 [2018-11-22 21:23:43,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:23:43,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:23:43,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:23:43,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:23:43,442 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:23:43,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b02929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43, skipping insertion in model container [2018-11-22 21:23:43,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:23:43,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:23:43,563 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:23:43,565 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:23:43,575 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:23:43,582 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:23:43,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43 WrapperNode [2018-11-22 21:23:43,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:23:43,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:23:43,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:23:43,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:23:43,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:23:43,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:23:43,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:23:43,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:23:43,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:23:43,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:23:43,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:23:43,612 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:23:43,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/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 [2018-11-22 21:23:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:23:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:23:43,804 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:23:43,805 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 21:23:43,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:23:43 BoogieIcfgContainer [2018-11-22 21:23:43,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:23:43,805 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 21:23:43,805 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 21:23:43,811 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 21:23:43,812 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:23:43" (1/1) ... [2018-11-22 21:23:43,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:23:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-22 21:23:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-22 21:23:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 21:23:43,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:23:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:23:44,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:23:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2018-11-22 21:23:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2018-11-22 21:23:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-22 21:23:44,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:23:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:23:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:23:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-22 21:23:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-22 21:23:44,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:23:44,424 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2018-11-22 21:23:44,430 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 21:23:44,443 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-22 21:23:44,450 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:23:44,450 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:23:44,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 09:23:44 ImpRootNode [2018-11-22 21:23:44,450 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 21:23:44,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:23:44,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:23:44,451 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:23:44,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:23:43" (3/4) ... [2018-11-22 21:23:44,454 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:23:44,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 21:23:44,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 21:23:44,494 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07d9ee8f-bdb4-4a8c-bc1c-d934b6d60dfe/bin-2019/ukojak/witness.graphml [2018-11-22 21:23:44,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:23:44,495 INFO L168 Benchmark]: Toolchain (without parser) took 1056.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:44,496 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. [2018-11-22 21:23:44,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:44,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.91 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:44,498 INFO L168 Benchmark]: Boogie Preprocessor took 10.71 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:23:44,498 INFO L168 Benchmark]: RCFGBuilder took 192.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:44,499 INFO L168 Benchmark]: CodeCheck took 645.13 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: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:44,499 INFO L168 Benchmark]: Witness Printer took 43.89 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:44,502 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, 13 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 58 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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: 5]: 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: 14]: Loop Invariant Derived loop invariant: (a + b <= 3 * n && a + b <= 3 * i) && 3 * i <= a + b - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: 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 142.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.91 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.71 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 192.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * CodeCheck took 645.13 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: 73.7 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. * Witness Printer took 43.89 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...