./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/matrix-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/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 0.1.25-f470102 [2019-12-01 20:17:39,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 20:17:39,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 20:17:39,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 20:17:39,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 20:17:39,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 20:17:39,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 20:17:39,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 20:17:39,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 20:17:39,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 20:17:39,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 20:17:39,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 20:17:39,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 20:17:39,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 20:17:39,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 20:17:39,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 20:17:39,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 20:17:39,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 20:17:39,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 20:17:39,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 20:17:39,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 20:17:39,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 20:17:39,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 20:17:39,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 20:17:39,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 20:17:39,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 20:17:39,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 20:17:39,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 20:17:39,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 20:17:39,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 20:17:39,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 20:17:39,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 20:17:39,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 20:17:39,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 20:17:39,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 20:17:39,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 20:17:39,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 20:17:39,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 20:17:39,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 20:17:39,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 20:17:39,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 20:17:39,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 20:17:39,818 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 20:17:39,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 20:17:39,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 20:17:39,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 20:17:39,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 20:17:39,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 20:17:39,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 20:17:39,820 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 20:17:39,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 20:17:39,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 20:17:39,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 20:17:39,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 20:17:39,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 20:17:39,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 20:17:39,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 20:17:39,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 20:17:39,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 20:17:39,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 20:17:39,822 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 20:17:39,822 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 20:17:39,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 20:17:39,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 20:17:39,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 20:17:39,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 20:17:39,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 20:17:39,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 20:17:39,823 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 20:17:39,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 20:17:39,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 20:17:39,823 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_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/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 [2019-12-01 20:17:39,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 20:17:39,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 20:17:39,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 20:17:39,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 20:17:39,952 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 20:17:39,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/../../sv-benchmarks/c/loops/matrix-1.c [2019-12-01 20:17:39,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/data/62f971116/443a6c148b4c48f9913cfe03aebe8bb2/FLAG67a48babc [2019-12-01 20:17:40,350 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 20:17:40,350 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/sv-benchmarks/c/loops/matrix-1.c [2019-12-01 20:17:40,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/data/62f971116/443a6c148b4c48f9913cfe03aebe8bb2/FLAG67a48babc [2019-12-01 20:17:40,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/data/62f971116/443a6c148b4c48f9913cfe03aebe8bb2 [2019-12-01 20:17:40,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 20:17:40,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 20:17:40,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 20:17:40,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 20:17:40,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 20:17:40,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d37dbae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40, skipping insertion in model container [2019-12-01 20:17:40,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 20:17:40,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 20:17:40,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:17:40,535 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 20:17:40,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 20:17:40,561 INFO L208 MainTranslator]: Completed translation [2019-12-01 20:17:40,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40 WrapperNode [2019-12-01 20:17:40,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 20:17:40,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 20:17:40,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 20:17:40,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 20:17:40,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 20:17:40,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 20:17:40,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 20:17:40,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 20:17:40,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 20:17:40,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 20:17:40,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 20:17:40,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 20:17:40,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:17:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/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 [2019-12-01 20:17:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 20:17:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 20:17:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 20:17:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 20:17:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 20:17:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 20:17:40,846 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 20:17:40,847 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-01 20:17:40,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:17:40 BoogieIcfgContainer [2019-12-01 20:17:40,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 20:17:40,848 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 20:17:40,848 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 20:17:40,855 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 20:17:40,855 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:17:40" (1/1) ... [2019-12-01 20:17:40,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 20:17:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:17:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2019-12-01 20:17:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2019-12-01 20:17:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 20:17:40,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:17:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:17:40,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-01 20:17:40,950 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 20:17:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:17:40,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:17:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 20:17:40,996 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 20:17:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 20:17:40,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:17:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:17:41,012 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-01 20:17:41,012 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 20:17:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:17:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:17:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-12-01 20:17:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-12-01 20:17:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 20:17:41,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:17:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:17:41,127 WARN L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-01 20:17:41,129 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 20:17:41,201 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-12-01 20:17:41,201 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-01 20:17:41,206 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-12-01 20:17:41,207 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-01 20:17:41,363 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 32 [2019-12-01 20:17:41,364 INFO L614 ElimStorePlain]: treesize reduction 282, result has 25.6 percent of original size [2019-12-01 20:17:41,375 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 21 treesize of output 17 [2019-12-01 20:17:41,375 INFO L534 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-12-01 20:17:41,380 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 21 treesize of output 17 [2019-12-01 20:17:41,380 INFO L534 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-12-01 20:17:41,406 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-01 20:17:41,406 INFO L502 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2019-12-01 20:17:41,406 INFO L502 ElimStorePlain]: Eliminatee v_prenex_5 vanished before elimination [2019-12-01 20:17:41,407 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-01 20:17:41,407 INFO L239 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:505, output treesize:55 [2019-12-01 20:17:41,435 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 20:17:41,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 20:17:41,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 20:17:41,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 20:17:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 20:17:41,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:17:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2019-12-01 20:17:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2019-12-01 20:17:41,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 20:17:41,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:17:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:17:41,765 INFO L264 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-01 20:17:41,766 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 20:17:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 20:17:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:17:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2019-12-01 20:17:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2019-12-01 20:17:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 20:17:41,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 20:17:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 20:17:41,924 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-01 20:17:41,925 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 20:17:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 20:17:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 20:17:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2019-12-01 20:17:42,426 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2019-12-01 20:17:42,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 20:17:42,427 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-12-01 20:17:42,434 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 20:17:42,487 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-12-01 20:17:42,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,499 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-12-01 20:17:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,502 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 20:17:42,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:17:42 ImpRootNode [2019-12-01 20:17:42,502 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 20:17:42,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 20:17:42,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 20:17:42,503 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 20:17:42,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:17:40" (3/4) ... [2019-12-01 20:17:42,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 20:17:42,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 20:17:42,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 20:17:42,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 20:17:42,548 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4cf4e52e-3cbf-40d2-ae4c-99345bcd1b50/bin/ukojak/witness.graphml [2019-12-01 20:17:42,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 20:17:42,549 INFO L168 Benchmark]: Toolchain (without parser) took 2183.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 940.7 MB in the beginning and 1.0 GB in the end (delta: -108.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:17:42,549 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 20:17:42,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 195.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-12-01 20:17:42,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.68 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-01 20:17:42,551 INFO L168 Benchmark]: Boogie Preprocessor took 15.99 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-01 20:17:42,551 INFO L168 Benchmark]: RCFGBuilder took 244.36 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-12-01 20:17:42,551 INFO L168 Benchmark]: CodeCheck took 1654.28 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-01 20:17:42,551 INFO L168 Benchmark]: Witness Printer took 45.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2019-12-01 20:17:42,553 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: 1.5s, 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, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 349 GetRequests, 300 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s 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 [2019-12-01 20:17:42,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,556 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 [2019-12-01 20:17:42,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 20:17:42,557 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 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 195.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.68 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.99 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 244.36 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1654.28 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Witness Printer took 45.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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...