./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 932f76685ed1816d93a388d0ab1addae9c51483a ............................................................................................................................................................................................................................................................................................................................................................................... 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 11:48:03,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 11:48:03,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 11:48:03,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 11:48:03,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 11:48:03,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 11:48:03,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 11:48:03,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 11:48:03,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 11:48:03,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 11:48:03,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 11:48:03,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 11:48:03,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 11:48:03,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 11:48:03,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 11:48:03,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 11:48:03,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 11:48:03,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 11:48:03,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 11:48:03,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 11:48:03,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 11:48:03,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 11:48:03,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 11:48:03,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 11:48:03,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 11:48:03,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 11:48:03,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 11:48:03,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 11:48:03,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 11:48:03,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 11:48:03,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 11:48:03,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 11:48:03,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 11:48:03,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 11:48:03,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 11:48:03,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 11:48:03,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 11:48:03,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 11:48:03,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 11:48:03,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 11:48:03,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 11:48:03,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 11:48:03,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 11:48:03,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 11:48:03,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 11:48:03,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 11:48:03,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 11:48:03,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 11:48:03,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 11:48:03,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 11:48:03,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 11:48:03,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 11:48:03,559 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 11:48:03,559 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 11:48:03,559 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 11:48:03,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 11:48:03,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 11:48:03,559 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 11:48:03,560 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 11:48:03,560 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 11:48:03,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 11:48:03,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 11:48:03,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 11:48:03,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 11:48:03,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 11:48:03,560 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 11:48:03,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 11:48:03,561 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_516b1aba-3982-4878-8d73-55a7c2ef72b0/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 932f76685ed1816d93a388d0ab1addae9c51483a [2019-12-01 11:48:03,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 11:48:03,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 11:48:03,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 11:48:03,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 11:48:03,673 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 11:48:03,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2019-12-01 11:48:03,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/data/3ac680e2b/316c8d9bdae349a4a99620c2507ed9bc/FLAG32ae676a6 [2019-12-01 11:48:04,123 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 11:48:04,123 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2019-12-01 11:48:04,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/data/3ac680e2b/316c8d9bdae349a4a99620c2507ed9bc/FLAG32ae676a6 [2019-12-01 11:48:04,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/data/3ac680e2b/316c8d9bdae349a4a99620c2507ed9bc [2019-12-01 11:48:04,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 11:48:04,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 11:48:04,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 11:48:04,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 11:48:04,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 11:48:04,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ccdd44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04, skipping insertion in model container [2019-12-01 11:48:04,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 11:48:04,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 11:48:04,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 11:48:04,327 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 11:48:04,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 11:48:04,348 INFO L208 MainTranslator]: Completed translation [2019-12-01 11:48:04,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04 WrapperNode [2019-12-01 11:48:04,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 11:48:04,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 11:48:04,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 11:48:04,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 11:48:04,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 11:48:04,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 11:48:04,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 11:48:04,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 11:48:04,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 11:48:04,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 11:48:04,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 11:48:04,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 11:48:04,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:48:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/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 11:48:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 11:48:04,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 11:48:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 11:48:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 11:48:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 11:48:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 11:48:04,567 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 11:48:04,567 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 11:48:04,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:48:04 BoogieIcfgContainer [2019-12-01 11:48:04,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 11:48:04,568 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 11:48:04,569 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 11:48:04,575 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 11:48:04,576 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:48:04" (1/1) ... [2019-12-01 11:48:04,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 11:48:04,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:48:04,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-12-01 11:48:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-12-01 11:48:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 11:48:04,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:48:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:48:04,705 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 11:48:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:48:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 11:48:04,730 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 11:48:04,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 11:48:04,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:48:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:48:04,776 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 11:48:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:48:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2019-12-01 11:48:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2019-12-01 11:48:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 11:48:04,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:48:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:48:04,938 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 11:48:05,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:48:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2019-12-01 11:48:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2019-12-01 11:48:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 11:48:05,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:48:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:48:05,137 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 11:48:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:48:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2019-12-01 11:48:05,382 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2019-12-01 11:48:05,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 11:48:05,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:48:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:48:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:48:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:48:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2019-12-01 11:48:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2019-12-01 11:48:05,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 11:48:05,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:48:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:48:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:48:05,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:48:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2019-12-01 11:48:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2019-12-01 11:48:05,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 11:48:05,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:48:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:48:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:48:06,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:48:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2019-12-01 11:48:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-12-01 11:48:06,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 11:48:06,331 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-12-01 11:48:06,338 INFO L765 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2019-12-01 11:48:06,375 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 11:48:06,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,383 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-12-01 11:48:06,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 11:48:06,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 11:48:06,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 11:48:06,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 11:48:06,388 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 11:48:06,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:48:06 ImpRootNode [2019-12-01 11:48:06,390 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 11:48:06,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 11:48:06,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 11:48:06,391 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 11:48:06,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:48:04" (3/4) ... [2019-12-01 11:48:06,394 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 11:48:06,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 11:48:06,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-01 11:48:06,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 11:48:06,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\old(unknown-main_\old_#valid-unknown) == \valid[numbers := \old(unknown-main_\old_#valid-unknown)[numbers]] && unknown-#length-unknown[numbers] == 10) && 0 == \old(unknown-main_\old_#valid-unknown)[numbers]) && 0 <= numbers) && 0 == 4 * i + numbers) && numbers <= 0) && 1 == \valid[numbers]) && numbers == numbers) && unknown-#memory_int-unknown[numbers][i * 4 + numbers] == 0 [2019-12-01 11:48:06,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[numbers := \old(unknown-main_\old_#valid-unknown)[numbers]] && 0 == \old(unknown-main_\old_#valid-unknown)[numbers] [2019-12-01 11:48:06,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-12-01 11:48:06,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_516b1aba-3982-4878-8d73-55a7c2ef72b0/bin/ukojak/witness.graphml [2019-12-01 11:48:06,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 11:48:06,432 INFO L168 Benchmark]: Toolchain (without parser) took 2293.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 946.2 MB in the beginning and 1.0 GB in the end (delta: -81.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-12-01 11:48:06,432 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 11:48:06,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -142.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 11:48:06,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 11:48:06,433 INFO L168 Benchmark]: Boogie Preprocessor took 14.68 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 11:48:06,434 INFO L168 Benchmark]: RCFGBuilder took 178.65 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-01 11:48:06,434 INFO L168 Benchmark]: CodeCheck took 1821.87 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2019-12-01 11:48:06,434 INFO L168 Benchmark]: Witness Printer took 40.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-01 11:48:06,436 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, 10 locations, 3 error locations. Result: SAFE, OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 320 SDtfs, 588 SDslu, 496 SDs, 0 SdLazy, 2314 SolverSat, 626 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 294 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 5/8 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: 4]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 4]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant [2019-12-01 11:48:06,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 3]: Loop Invariant [2019-12-01 11:48:06,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 11:48:06,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-01 11:48:06,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-01 11:48:06,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((\old(unknown-main_\old_#valid-unknown) == \valid[numbers := \old(unknown-main_\old_#valid-unknown)[numbers]] && unknown-#length-unknown[numbers] == 10) && 0 == \old(unknown-main_\old_#valid-unknown)[numbers]) && 0 <= numbers) && 0 == 4 * i + numbers) && numbers <= 0) && 1 == \valid[numbers]) && numbers == numbers) && unknown-#memory_int-unknown[numbers][i * 4 + numbers] == 0 - InvariantResult [Line: 1]: Loop Invariant [2019-12-01 11:48:06,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 11:48:06,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid[numbers := \old(unknown-main_\old_#valid-unknown)[numbers]] && 0 == \old(unknown-main_\old_#valid-unknown)[numbers] * 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 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 210.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -142.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.68 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 178.65 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1821.87 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * Witness Printer took 40.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...