./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/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 595e0ffd0ff086ae45c2b9536863374b9b9c0fb6 .......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 14:22:37,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:22:37,898 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:22:37,904 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:22:37,904 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:22:37,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:22:37,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:22:37,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:22:37,907 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:22:37,907 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:22:37,907 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:22:37,908 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:22:37,908 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:22:37,909 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:22:37,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:22:37,909 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:22:37,910 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:22:37,911 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:22:37,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:22:37,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:22:37,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:22:37,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:22:37,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:22:37,915 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:22:37,915 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:22:37,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:22:37,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:22:37,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:22:37,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:22:37,917 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:22:37,917 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:22:37,917 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:22:37,918 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:22:37,918 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:22:37,918 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:22:37,918 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:22:37,919 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 14:22:37,926 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:22:37,926 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:22:37,927 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 14:22:37,927 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 14:22:37,927 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 14:22:37,927 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 14:22:37,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:22:37,928 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:22:37,928 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 14:22:37,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:22:37,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:22:37,928 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 14:22:37,928 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:22:37,928 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 14:22:37,929 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:22:37,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 14:22:37,929 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 14:22:37,929 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 14:22:37,929 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 14:22:37,929 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 14:22:37,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:22:37,930 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:22:37,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 14:22:37,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:22:37,930 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:22:37,930 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 14:22:37,930 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 14:22:37,930 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:22:37,931 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 14:22:37,931 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_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/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 -> 595e0ffd0ff086ae45c2b9536863374b9b9c0fb6 [2018-12-09 14:22:37,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:22:37,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:22:37,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:22:37,963 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:22:37,963 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:22:37,964 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/id_build_true-unreach-call_true-termination.i [2018-12-09 14:22:37,998 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/data/e726d00a7/f9a2cdb39f0744119019a4d29fcad8b8/FLAG531c2a288 [2018-12-09 14:22:38,410 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:22:38,411 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/sv-benchmarks/c/loop-invgen/id_build_true-unreach-call_true-termination.i [2018-12-09 14:22:38,414 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/data/e726d00a7/f9a2cdb39f0744119019a4d29fcad8b8/FLAG531c2a288 [2018-12-09 14:22:38,425 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/data/e726d00a7/f9a2cdb39f0744119019a4d29fcad8b8 [2018-12-09 14:22:38,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:22:38,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:22:38,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:22:38,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:22:38,431 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:22:38,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d388261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38, skipping insertion in model container [2018-12-09 14:22:38,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:22:38,447 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:22:38,534 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:22:38,536 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:22:38,545 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:22:38,553 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:22:38,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38 WrapperNode [2018-12-09 14:22:38,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:22:38,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:22:38,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:22:38,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:22:38,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:22:38,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:22:38,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:22:38,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:22:38,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:22:38,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:22:38,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:22:38,611 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:22:38,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:22:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/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 [2018-12-09 14:22:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:22:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:22:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 14:22:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 14:22:38,739 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:22:38,739 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 14:22:38,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:22:38 BoogieIcfgContainer [2018-12-09 14:22:38,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:22:38,740 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 14:22:38,740 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 14:22:38,746 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 14:22:38,747 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:22:38" (1/1) ... [2018-12-09 14:22:38,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:22:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:22:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-12-09 14:22:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-12-09 14:22:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 14:22:38,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:22:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:22:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:22:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:22:38,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2018-12-09 14:22:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2018-12-09 14:22:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 14:22:38,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:22:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:22:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:22:39,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:22:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2018-12-09 14:22:39,229 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2018-12-09 14:22:39,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 14:22:39,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:22:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:22:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 14:22:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:22:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 25 transitions. [2018-12-09 14:22:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-12-09 14:22:39,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 14:22:39,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:22:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:22:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 14:22:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:22:39,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 11 states and 13 transitions. [2018-12-09 14:22:39,324 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-12-09 14:22:39,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 14:22:39,325 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-09 14:22:39,330 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 14:22:39,362 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 14:22:39,363 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 14:22:39,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 02:22:39 ImpRootNode [2018-12-09 14:22:39,364 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 14:22:39,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:22:39,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:22:39,364 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:22:39,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:22:38" (3/4) ... [2018-12-09 14:22:39,367 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 14:22:39,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 14:22:39,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 14:22:39,373 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 14:22:39,373 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 14:22:39,397 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_19a1d2b4-3c27-4fd2-8d0a-894bb21efab5/bin-2019/ukojak/witness.graphml [2018-12-09 14:22:39,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:22:39,397 INFO L168 Benchmark]: Toolchain (without parser) took 969.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 954.4 MB in the beginning and 966.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 85.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:22:39,398 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:22:39,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.67 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:22:39,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.39 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:22:39,399 INFO L168 Benchmark]: Boogie Preprocessor took 38.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-09 14:22:39,399 INFO L168 Benchmark]: RCFGBuilder took 129.41 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 14:22:39,400 INFO L168 Benchmark]: CodeCheck took 623.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2018-12-09 14:22:39,400 INFO L168 Benchmark]: Witness Printer took 32.97 ms. Allocated memory is still 1.1 GB. Free memory was 969.4 MB in the beginning and 966.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:22:39,402 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 2 procedures, 17 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 120 SDtfs, 96 SDslu, 112 SDs, 0 SdLazy, 524 SolverSat, 212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 437 SyntacticMatches, 11 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2658 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 19/33 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.67 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 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 17.39 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 129.41 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 623.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. * Witness Printer took 32.97 ms. Allocated memory is still 1.1 GB. Free memory was 969.4 MB in the beginning and 966.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...