./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/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 128b2219e8f86913777da69c49be5957c6dd8c80 ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:28:08,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:28:08,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:28:08,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:28:08,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:28:08,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:28:08,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:28:08,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:28:08,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:28:08,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:28:08,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:28:08,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:28:08,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:28:08,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:28:08,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:28:08,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:28:08,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:28:08,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:28:08,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:28:08,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:28:08,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:28:08,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:28:08,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:28:08,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:28:08,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:28:08,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:28:08,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:28:08,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:28:08,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:28:08,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:28:08,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:28:08,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:28:08,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:28:08,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:28:08,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:28:08,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:28:08,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:28:08,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:28:08,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:28:08,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:28:08,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:28:08,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:28:08,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:28:08,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:28:08,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:28:08,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:28:08,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:28:08,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:28:08,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:28:08,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:28:08,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:28:08,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:28:08,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:28:08,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:28:08,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:28:08,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:28:08,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:28:08,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:28:08,591 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:28:08,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:28:08,592 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:28:08,592 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:28:08,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:28:08,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:28:08,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:28:08,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:28:08,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:28:08,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:28:08,593 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:28:08,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:28:08,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:28:08,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/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 -> 128b2219e8f86913777da69c49be5957c6dd8c80 [2019-11-20 02:28:08,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:28:08,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:28:08,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:28:08,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:28:08,749 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:28:08,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-20 02:28:08,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/data/9668c1f50/ba7c668e86074ebf9ce9e408cdfe30aa/FLAGc21d44734 [2019-11-20 02:28:09,189 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:28:09,190 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-11-20 02:28:09,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/data/9668c1f50/ba7c668e86074ebf9ce9e408cdfe30aa/FLAGc21d44734 [2019-11-20 02:28:09,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/data/9668c1f50/ba7c668e86074ebf9ce9e408cdfe30aa [2019-11-20 02:28:09,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:28:09,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:28:09,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:28:09,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:28:09,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:28:09,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b4384b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09, skipping insertion in model container [2019-11-20 02:28:09,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,234 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:28:09,250 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:28:09,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:28:09,418 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:28:09,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:28:09,501 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:28:09,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09 WrapperNode [2019-11-20 02:28:09,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:28:09,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:28:09,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:28:09,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:28:09,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:28:09,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:28:09,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:28:09,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:28:09,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:28:09,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:28:09,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:28:09,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:28:09,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/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 [2019-11-20 02:28:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:28:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:28:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-20 02:28:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-20 02:28:09,822 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:28:09,822 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 02:28:09,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:09 BoogieIcfgContainer [2019-11-20 02:28:09,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:28:09,824 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:28:09,824 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:28:09,834 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:28:09,835 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:09" (1/1) ... [2019-11-20 02:28:09,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:28:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-11-20 02:28:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-11-20 02:28:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 02:28:09,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:28:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:28:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:28:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2019-11-20 02:28:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-20 02:28:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 02:28:10,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:28:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:28:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:28:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2019-11-20 02:28:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2019-11-20 02:28:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 02:28:10,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:28:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 02:28:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:28:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2019-11-20 02:28:11,600 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2019-11-20 02:28:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:28:11,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:28:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:11,878 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 02:28:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:28:12,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2019-11-20 02:28:12,459 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2019-11-20 02:28:12,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:28:12,461 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2019-11-20 02:28:12,470 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:28:12,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:28:12 ImpRootNode [2019-11-20 02:28:12,611 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:28:12,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:28:12,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:28:12,612 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:28:12,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:09" (3/4) ... [2019-11-20 02:28:12,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:28:12,619 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-20 02:28:12,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 02:28:12,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:28:12,664 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_793d8145-2b9e-4990-aaf6-6b00aca1aff2/bin/ukojak/witness.graphml [2019-11-20 02:28:12,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:28:12,666 INFO L168 Benchmark]: Toolchain (without parser) took 3447.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:28:12,667 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:28:12,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:12,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:28:12,668 INFO L168 Benchmark]: Boogie Preprocessor took 13.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:28:12,669 INFO L168 Benchmark]: RCFGBuilder took 278.95 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:12,670 INFO L168 Benchmark]: CodeCheck took 2787.37 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:12,670 INFO L168 Benchmark]: Witness Printer took 52.65 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:28:12,674 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 112 SDtfs, 44 SDslu, 72 SDs, 0 SdLazy, 368 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 462 GetRequests, 407 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 4284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 39/48 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 278.95 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 2787.37 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Witness Printer took 52.65 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...