./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/matrix-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/matrix-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/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 ee4e756165c58ac9fb858974dbb081c5816c4c28 ............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:22:49,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:22:49,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:22:49,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:22:49,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:22:49,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:22:49,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:22:49,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:22:49,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:22:49,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:22:49,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:22:49,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:22:49,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:22:49,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:22:49,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:22:49,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:22:49,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:22:49,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:22:49,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:22:49,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:22:49,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:22:49,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:22:49,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:22:49,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:22:49,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:22:49,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:22:49,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:22:49,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:22:49,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:22:49,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:22:49,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:22:49,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:22:49,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:22:49,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:22:49,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:22:49,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:22:49,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:22:49,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:22:49,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:22:49,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:22:49,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:22:49,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:22:49,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:22:49,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:22:49,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:22:49,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:22:49,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:22:49,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:22:49,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:22:49,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:22:49,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:22:49,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:22:49,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:22:49,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:22:49,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:22:49,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:22:49,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:22:49,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:22:49,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:22:49,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:22:49,936 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:22:49,936 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:22:49,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:22:49,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:22:49,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:22:49,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:22:49,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:22:49,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:22:49,938 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:22:49,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:22:49,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:22:49,939 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_87c6c473-7a52-4e3d-b051-9500c7781ad9/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 -> ee4e756165c58ac9fb858974dbb081c5816c4c28 [2019-11-26 02:22:50,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:22:50,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:22:50,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:22:50,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:22:50,102 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:22:50,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/../../sv-benchmarks/c/loops/matrix-1.c [2019-11-26 02:22:50,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/data/0a3f4d30a/0f693f553de24a4f9e24cdead6b5a777/FLAGc5a9b85b9 [2019-11-26 02:22:50,529 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:22:50,530 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/sv-benchmarks/c/loops/matrix-1.c [2019-11-26 02:22:50,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/data/0a3f4d30a/0f693f553de24a4f9e24cdead6b5a777/FLAGc5a9b85b9 [2019-11-26 02:22:50,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/data/0a3f4d30a/0f693f553de24a4f9e24cdead6b5a777 [2019-11-26 02:22:50,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:22:50,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:22:50,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:22:50,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:22:50,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:22:50,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:22:50" (1/1) ... [2019-11-26 02:22:50,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7f73cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:50, skipping insertion in model container [2019-11-26 02:22:50,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:22:50" (1/1) ... [2019-11-26 02:22:50,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:22:50,997 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:22:51,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:22:51,148 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:22:51,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:22:51,244 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:22:51,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51 WrapperNode [2019-11-26 02:22:51,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:22:51,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:22:51,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:22:51,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:22:51,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:22:51,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:22:51,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:22:51,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:22:51,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:22:51,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:22:51,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:22:51,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:22:51,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/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 [2019-11-26 02:22:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:22:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:22:51,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:22:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:22:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:22:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:22:51,848 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:22:51,848 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:22:51,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:51 BoogieIcfgContainer [2019-11-26 02:22:51,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:22:51,850 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:22:51,850 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:22:51,860 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:22:51,860 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:51" (1/1) ... [2019-11-26 02:22:51,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:22:51,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2019-11-26 02:22:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2019-11-26 02:22:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:22:51,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:22:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:22:51,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-26 02:22:51,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:22:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:22:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-26 02:22:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-26 02:22:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:22:52,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:22:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:22:52,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 02:22:52,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:22:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:22:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-11-26 02:22:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-11-26 02:22:52,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:22:52,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:22:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:22:52,302 WARN L253 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-26 02:22:52,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:22:52,421 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-26 02:22:52,422 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 02:22:52,429 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-26 02:22:52,430 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:22:52,934 WARN L192 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 32 [2019-11-26 02:22:52,935 INFO L567 ElimStorePlain]: treesize reduction 282, result has 25.6 percent of original size [2019-11-26 02:22:52,949 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2019-11-26 02:22:52,949 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-26 02:22:52,966 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2019-11-26 02:22:52,967 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-26 02:22:53,023 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:22:53,023 INFO L464 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2019-11-26 02:22:53,023 INFO L464 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2019-11-26 02:22:53,024 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-11-26 02:22:53,024 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:505, output treesize:55 [2019-11-26 02:22:53,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:22:53,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:22:53,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:22:53,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:22:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:22:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2019-11-26 02:22:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2019-11-26 02:22:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:22:53,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:22:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:22:53,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 02:22:53,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:22:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:22:53,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2019-11-26 02:22:53,958 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2019-11-26 02:22:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:22:53,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:22:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:22:53,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-26 02:22:53,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:22:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:22:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2019-11-26 02:22:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2019-11-26 02:22:54,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:22:54,677 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-11-26 02:22:54,684 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:22:54,732 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-11-26 02:22:54,737 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,742 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,743 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-11-26 02:22:54,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,747 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:54,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:22:54 ImpRootNode [2019-11-26 02:22:54,747 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:22:54,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:22:54,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:22:54,748 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:22:54,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:51" (3/4) ... [2019-11-26 02:22:54,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:22:54,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:22:54,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:22:54,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:22:54,811 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_87c6c473-7a52-4e3d-b051-9500c7781ad9/bin/ukojak/witness.graphml [2019-11-26 02:22:54,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:22:54,813 INFO L168 Benchmark]: Toolchain (without parser) took 3846.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:22:54,813 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:22:54,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -207.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:54,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:22:54,815 INFO L168 Benchmark]: Boogie Preprocessor took 42.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:22:54,816 INFO L168 Benchmark]: RCFGBuilder took 524.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:54,816 INFO L168 Benchmark]: CodeCheck took 2897.34 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:54,817 INFO L168 Benchmark]: Witness Printer took 63.85 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. [2019-11-26 02:22:54,836 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, 8 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 64 SDslu, 0 SDs, 0 SdLazy, 626 SolverSat, 242 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 300 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 1220 SizeOfPredicates, 25 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 14/18 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: 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: 19]: Loop Invariant [2019-11-26 02:22:54,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((1 == N_LIN && 1 == N_COL) && j == 0) || (((1 == N_LIN && 1 == N_COL) && (unknown-#memory_int-unknown[matriz][matriz] < maior || unknown-#memory_int-unknown[matriz][matriz] == maior)) && j == 1) - InvariantResult [Line: 20]: Loop Invariant [2019-11-26 02:22:54,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:22:54,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((1 == N_LIN && 1 == N_COL) && k == 0) && j == 0) || ((1 == N_COL && (((1 == N_LIN && k == 1) && maior == unknown-#memory_int-unknown[matriz][j % 4294967296 * (N_LIN % 4294967296 * 4) + matriz]) || ((1 == N_LIN && k == 1) && unknown-#memory_int-unknown[matriz][j % 4294967296 * (N_LIN % 4294967296 * 4) + matriz] < maior))) && j == 0) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -207.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 524.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 2897.34 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Witness Printer took 63.85 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...