./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0477f4e5b27a6da26de88eabc674e3fb9f5fd06 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:54:06,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:54:06,915 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:54:06,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:54:06,922 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:54:06,923 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:54:06,924 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:54:06,925 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:54:06,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:54:06,927 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:54:06,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:54:06,928 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:54:06,928 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:54:06,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:54:06,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:54:06,930 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:54:06,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:54:06,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:54:06,933 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:54:06,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:54:06,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:54:06,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:54:06,937 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:54:06,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:54:06,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:54:06,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:54:06,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:54:06,940 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:54:06,940 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:54:06,941 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:54:06,941 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:54:06,942 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:54:06,942 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:54:06,942 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:54:06,943 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:54:06,943 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:54:06,943 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 03:54:06,953 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:54:06,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:54:06,954 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:54:06,954 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:54:06,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:54:06,955 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:54:06,955 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:54:06,955 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:54:06,955 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:54:06,955 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:54:06,955 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:54:06,956 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:54:06,956 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:54:06,956 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:54:06,956 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:54:06,956 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:54:06,956 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:54:06,956 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:54:06,956 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:54:06,956 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:54:06,957 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:54:06,957 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:54:06,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:54:06,957 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:54:06,957 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:54:06,957 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:54:06,957 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 03:54:06,957 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:54:06,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:54:06,957 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0477f4e5b27a6da26de88eabc674e3fb9f5fd06 [2018-11-23 03:54:06,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:54:06,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:54:06,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:54:06,991 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:54:06,991 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:54:06,992 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c [2018-11-23 03:54:07,029 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/data/55ccf740b/c9371cf6b6694b3298d810c0eaf7b4bd/FLAG35721677d [2018-11-23 03:54:07,449 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:54:07,450 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c [2018-11-23 03:54:07,454 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/data/55ccf740b/c9371cf6b6694b3298d810c0eaf7b4bd/FLAG35721677d [2018-11-23 03:54:07,465 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/data/55ccf740b/c9371cf6b6694b3298d810c0eaf7b4bd [2018-11-23 03:54:07,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:54:07,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:54:07,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:54:07,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:54:07,471 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:54:07,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d77855b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07, skipping insertion in model container [2018-11-23 03:54:07,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:54:07,497 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:54:07,627 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:54:07,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:54:07,643 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:54:07,656 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:54:07,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07 WrapperNode [2018-11-23 03:54:07,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:54:07,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:54:07,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:54:07,657 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:54:07,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:54:07,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:54:07,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:54:07,679 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:54:07,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:54:07,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:54:07,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:54:07,730 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:54:07,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:54:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 03:54:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:54:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:54:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:54:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 03:54:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:54:07,900 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:54:07,900 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 03:54:07,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:07 BoogieIcfgContainer [2018-11-23 03:54:07,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:54:07,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:54:07,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:54:07,909 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:54:07,909 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:07" (1/1) ... [2018-11-23 03:54:07,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:07,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:54:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-23 03:54:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-23 03:54:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 03:54:07,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:54:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:54:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:54:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-11-23 03:54:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-11-23 03:54:08,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 03:54:08,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:54:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:54:08,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:54:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2018-11-23 03:54:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2018-11-23 03:54:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 03:54:08,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:54:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:54:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:54:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2018-11-23 03:54:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2018-11-23 03:54:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 03:54:09,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:54:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:54:10,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:54:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2018-11-23 03:54:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2018-11-23 03:54:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 03:54:10,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:54:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:54:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:54:11,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:54:11,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-11-23 03:54:11,095 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-11-23 03:54:11,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:54:11,096 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-23 03:54:11,101 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 03:54:11,171 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 03:54:11,173 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-23 03:54:11,176 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,177 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,177 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,180 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,180 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,181 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:54:11 ImpRootNode [2018-11-23 03:54:11,182 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 03:54:11,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:54:11,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:54:11,182 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:54:11,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:07" (3/4) ... [2018-11-23 03:54:11,185 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:54:11,191 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 03:54:11,192 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:54:11,223 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b59aabee-bbd9-4879-85be-f0b35d0ddd09/bin-2019/ukojak/witness.graphml [2018-11-23 03:54:11,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:54:11,224 INFO L168 Benchmark]: Toolchain (without parser) took 3756.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 960.9 MB in the beginning and 953.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 175.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:11,226 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:54:11,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.39 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:11,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:11,227 INFO L168 Benchmark]: Boogie Preprocessor took 50.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:11,227 INFO L168 Benchmark]: RCFGBuilder took 170.57 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:11,227 INFO L168 Benchmark]: CodeCheck took 3280.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 953.1 MB in the end (delta: 155.7 MB). Peak memory consumption was 195.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:11,227 INFO L168 Benchmark]: Witness Printer took 41.74 ms. Allocated memory is still 1.2 GB. Free memory is still 953.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:54:11,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 176 SDslu, 0 SDs, 0 SdLazy, 1404 SolverSat, 412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 464 SyntacticMatches, 24 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2756 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 10220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 2/40 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 35]: 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: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2018-11-23 03:54:11,231 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,231 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,231 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,232 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,232 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 03:54:11,232 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((main__a == 0 && main__i <= 1) && !(4 * main__pos + main__a == 0)) && 0 <= main__pos) && main__marker == unknown-#memory_int-unknown[main__a][main__a + 4 * main__pos]) || (((main__i < main__pos + 1 && main__a == 0) && 1 < main__i) && main__marker == unknown-#memory_int-unknown[main__a][main__a + 4 * main__pos])) || (((main__a == 0 && main__i == 0) && 0 <= main__pos) && main__marker == unknown-#memory_int-unknown[main__a][main__a + 4 * main__pos]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.39 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.40 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 170.57 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 3280.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 953.1 MB in the end (delta: 155.7 MB). Peak memory consumption was 195.0 MB. Max. memory is 11.5 GB. * Witness Printer took 41.74 ms. Allocated memory is still 1.2 GB. Free memory is still 953.1 MB. There was no memory consumed. 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...