./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c -s /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/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 9affa82f51321a26e1ff4ceb2134487588896d81 ..................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 01:29:19,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:29:19,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:29:19,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:29:19,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:29:19,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:29:19,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:29:19,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:29:19,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:29:19,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:29:19,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:29:19,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:29:19,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:29:19,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:29:19,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:29:19,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:29:19,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:29:19,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:29:19,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:29:19,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:29:19,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:29:19,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:29:19,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:29:19,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:29:19,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:29:19,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:29:19,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:29:19,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:29:19,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:29:19,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:29:19,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:29:19,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:29:19,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:29:19,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:29:19,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:29:19,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:29:19,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:29:19,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:29:19,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:29:19,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:29:19,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:29:19,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 01:29:19,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:29:19,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:29:19,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 01:29:19,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 01:29:19,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:29:19,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:29:19,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:29:19,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 01:29:19,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:29:19,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 01:29:19,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:29:19,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 01:29:19,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:29:19,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 01:29:19,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 01:29:19,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 01:29:19,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:29:19,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 01:29:19,977 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:29:19,977 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:29:19,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:29:19,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:29:19,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:29:19,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:29:19,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:29:19,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 01:29:19,978 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:29:19,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:29:19,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 01:29:19,978 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_611107bf-c2ff-4a6f-9640-220fbb2a10a5/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 -> 9affa82f51321a26e1ff4ceb2134487588896d81 [2019-12-02 01:29:20,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:29:20,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:29:20,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:29:20,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:29:20,090 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:29:20,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2019-12-02 01:29:20,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/data/1b3c159dc/e09dc78aa7b24df5af5dbc67afd145c4/FLAG227149a0e [2019-12-02 01:29:20,593 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:29:20,593 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2019-12-02 01:29:20,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/data/1b3c159dc/e09dc78aa7b24df5af5dbc67afd145c4/FLAG227149a0e [2019-12-02 01:29:20,611 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/data/1b3c159dc/e09dc78aa7b24df5af5dbc67afd145c4 [2019-12-02 01:29:20,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:29:20,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:29:20,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:29:20,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:29:20,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:29:20,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:20,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca737a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20, skipping insertion in model container [2019-12-02 01:29:20,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:20,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:29:20,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:29:20,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:29:20,902 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 01:29:20,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:29:20,965 INFO L208 MainTranslator]: Completed translation [2019-12-02 01:29:20,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20 WrapperNode [2019-12-02 01:29:20,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:29:20,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 01:29:20,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 01:29:20,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 01:29:20,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:20,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:21,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 01:29:21,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 01:29:21,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 01:29:21,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 01:29:21,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:21,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:21,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:21,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:21,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:21,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:21,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... [2019-12-02 01:29:21,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 01:29:21,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 01:29:21,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 01:29:21,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 01:29:21,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:29:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/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 [2019-12-02 01:29:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 01:29:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 01:30:56,460 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 01:30:56,460 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-02 01:30:56,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:30:56 BoogieIcfgContainer [2019-12-02 01:30:56,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 01:30:56,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 01:30:56,461 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 01:30:56,468 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 01:30:56,468 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:30:56" (1/1) ... [2019-12-02 01:30:56,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 01:30:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-02 01:30:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-02 01:30:56,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 01:30:56,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:30:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-02 01:30:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-02 01:30:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 01:30:56,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:30:57,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-02 01:30:57,371 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-02 01:30:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:30:57,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:30:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2019-12-02 01:30:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2019-12-02 01:30:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:30:59,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:30:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2019-12-02 01:30:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2019-12-02 01:30:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:30:59,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:30:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:30:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:30:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2019-12-02 01:30:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2019-12-02 01:30:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 01:30:59,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:30:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:31:00,379 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-12-02 01:31:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:31:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:31:12,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 81 transitions. [2019-12-02 01:31:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 81 transitions. [2019-12-02 01:31:12,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 01:31:12,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:31:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:31:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:31:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:31:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 94 transitions. [2019-12-02 01:31:14,103 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2019-12-02 01:31:14,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 01:31:14,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:31:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:31:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-02 01:31:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:31:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 39 states and 84 transitions. [2019-12-02 01:31:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 84 transitions. [2019-12-02 01:31:17,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 01:31:17,067 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2019-12-02 01:31:17,073 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 01:31:17,186 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2019-12-02 01:31:17,293 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 27 [2019-12-02 01:31:17,396 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2019-12-02 01:31:17,496 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2019-12-02 01:31:17,505 INFO L569 CodeCheckObserver]: Invariant with dag size 27 [2019-12-02 01:31:17,506 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 01:31:17,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:31:17 ImpRootNode [2019-12-02 01:31:17,507 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 01:31:17,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 01:31:17,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 01:31:17,507 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 01:31:17,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:30:56" (3/4) ... [2019-12-02 01:31:17,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 01:31:17,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-02 01:31:17,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-02 01:31:17,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 01:31:17,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 01:31:17,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_611107bf-c2ff-4a6f-9640-220fbb2a10a5/bin/ukojak/witness.graphml [2019-12-02 01:31:17,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 01:31:17,629 INFO L168 Benchmark]: Toolchain (without parser) took 117015.22 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.7 MB). Free memory was 934.0 MB in the beginning and 939.2 MB in the end (delta: -5.1 MB). Peak memory consumption was 441.6 MB. Max. memory is 11.5 GB. [2019-12-02 01:31:17,630 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:31:17,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-02 01:31:17,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.25 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:31:17,631 INFO L168 Benchmark]: Boogie Preprocessor took 48.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 01:31:17,631 INFO L168 Benchmark]: RCFGBuilder took 95389.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 320.1 MB. Max. memory is 11.5 GB. [2019-12-02 01:31:17,632 INFO L168 Benchmark]: CodeCheck took 21045.42 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 277.3 MB). Free memory was 1.1 GB in the beginning and 965.3 MB in the end (delta: 109.7 MB). Peak memory consumption was 387.0 MB. Max. memory is 11.5 GB. [2019-12-02 01:31:17,632 INFO L168 Benchmark]: Witness Printer took 121.24 ms. Allocated memory is still 1.5 GB. Free memory was 965.3 MB in the beginning and 939.2 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-12-02 01:31:17,634 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 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 20.5s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1672 SDtfs, 3274 SDslu, 2320 SDs, 0 SdLazy, 10098 SolverSat, 1400 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 36.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1153 GetRequests, 969 SyntacticMatches, 48 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9991 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 28036 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 24/111 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: 85]: 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: 582]: Loop Invariant Derived loop invariant: ((((14 == a4 && ((!(a19 == 7) || 518104 <= a1) || !(a10 == 0))) && a12 == 0) || a19 == 9) || ((a1 <= 23 && 14 == a4) && a12 == 0)) || a19 == 10 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a19 == 9 || ((14 == a4 && a12 == 0) && !(a10 == 0))) || ((14 == a4 && (a1 <= 38 || !(a19 == 7))) && a12 == 0)) || a19 == 10) || ((218 < a1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.25 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 95389.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 320.1 MB. Max. memory is 11.5 GB. * CodeCheck took 21045.42 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 277.3 MB). Free memory was 1.1 GB in the beginning and 965.3 MB in the end (delta: 109.7 MB). Peak memory consumption was 387.0 MB. Max. memory is 11.5 GB. * Witness Printer took 121.24 ms. Allocated memory is still 1.5 GB. Free memory was 965.3 MB in the beginning and 939.2 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...