./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/matrix_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/matrix_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a06687718ac0cd281e66000f698ec14d3c3893e6 ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:46:03,454 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:46:03,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:46:03,461 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:46:03,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:46:03,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:46:03,462 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:46:03,463 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:46:03,464 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:46:03,464 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:46:03,465 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:46:03,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:46:03,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:46:03,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:46:03,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:46:03,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:46:03,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:46:03,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:46:03,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:46:03,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:46:03,470 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:46:03,470 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:46:03,471 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:46:03,472 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:46:03,472 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:46:03,472 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:46:03,473 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:46:03,473 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:46:03,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:46:03,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:46:03,474 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:46:03,474 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:46:03,474 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:46:03,474 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:46:03,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:46:03,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:46:03,475 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 23:46:03,482 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:46:03,482 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:46:03,483 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:46:03,483 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 23:46:03,483 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 23:46:03,483 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 23:46:03,483 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 23:46:03,484 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:46:03,484 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:46:03,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 23:46:03,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 23:46:03,485 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:46:03,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 23:46:03,486 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_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer 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 -> Automizer 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 -> a06687718ac0cd281e66000f698ec14d3c3893e6 [2018-12-02 23:46:03,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:46:03,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:46:03,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:46:03,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:46:03,512 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:46:03,512 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/../../sv-benchmarks/c/loops/matrix_false-unreach-call_true-termination.i [2018-12-02 23:46:03,546 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/data/c5804857a/edff998bfbae402ab6e419b31a6c70a9/FLAG177e39d50 [2018-12-02 23:46:03,944 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:46:03,944 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/sv-benchmarks/c/loops/matrix_false-unreach-call_true-termination.i [2018-12-02 23:46:03,948 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/data/c5804857a/edff998bfbae402ab6e419b31a6c70a9/FLAG177e39d50 [2018-12-02 23:46:03,957 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/data/c5804857a/edff998bfbae402ab6e419b31a6c70a9 [2018-12-02 23:46:03,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:46:03,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:46:03,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:46:03,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:46:03,962 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:46:03,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:03" (1/1) ... [2018-12-02 23:46:03,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:03, skipping insertion in model container [2018-12-02 23:46:03,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:03" (1/1) ... [2018-12-02 23:46:03,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:46:03,979 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:46:04,079 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:46:04,081 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:46:04,095 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:46:04,105 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:46:04,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04 WrapperNode [2018-12-02 23:46:04,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:46:04,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:46:04,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:46:04,106 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:46:04,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:46:04,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:46:04,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:46:04,119 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:46:04,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... [2018-12-02 23:46:04,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:46:04,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:46:04,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:46:04,164 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:46:04,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-12-02 23:46:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 23:46:04,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 23:46:04,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 23:46:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:46:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:46:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:46:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 23:46:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 23:46:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 23:46:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 23:46:04,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 23:46:04,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 23:46:04,321 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:46:04,321 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-02 23:46:04,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:04 BoogieIcfgContainer [2018-12-02 23:46:04,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:46:04,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 23:46:04,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 23:46:04,324 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 23:46:04,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:46:03" (1/3) ... [2018-12-02 23:46:04,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e33e33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:46:04, skipping insertion in model container [2018-12-02 23:46:04,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:04" (2/3) ... [2018-12-02 23:46:04,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e33e33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:46:04, skipping insertion in model container [2018-12-02 23:46:04,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:04" (3/3) ... [2018-12-02 23:46:04,326 INFO L112 eAbstractionObserver]: Analyzing ICFG matrix_false-unreach-call_true-termination.i [2018-12-02 23:46:04,332 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 23:46:04,336 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 23:46:04,345 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 23:46:04,363 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 23:46:04,364 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 23:46:04,364 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 23:46:04,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 23:46:04,364 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 23:46:04,364 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 23:46:04,364 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 23:46:04,364 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 23:46:04,364 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 23:46:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-12-02 23:46:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:46:04,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:04,378 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:04,379 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:04,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:04,383 INFO L82 PathProgramCache]: Analyzing trace with hash -2125374060, now seen corresponding path program 1 times [2018-12-02 23:46:04,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:46:04,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:46:04,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:46:04,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:04,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:46:04,433 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-02 23:46:04,433 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-02 23:46:04,433 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-12-02 23:46:04,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:04,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:46:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:04,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:46:04,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 23:46:04,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 23:46:04,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 23:46:04,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 23:46:04,496 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2018-12-02 23:46:04,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:46:04,508 INFO L93 Difference]: Finished difference Result 52 states and 71 transitions. [2018-12-02 23:46:04,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 23:46:04,509 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-12-02 23:46:04,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:46:04,514 INFO L225 Difference]: With dead ends: 52 [2018-12-02 23:46:04,514 INFO L226 Difference]: Without dead ends: 24 [2018-12-02 23:46:04,516 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 23:46:04,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-12-02 23:46:04,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-12-02 23:46:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-12-02 23:46:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2018-12-02 23:46:04,536 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 14 [2018-12-02 23:46:04,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:46:04,537 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2018-12-02 23:46:04,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 23:46:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-12-02 23:46:04,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 23:46:04,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:04,537 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:04,537 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:04,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:04,538 INFO L82 PathProgramCache]: Analyzing trace with hash 739661195, now seen corresponding path program 1 times [2018-12-02 23:46:04,538 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:46:04,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:46:04,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:46:04,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:04,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:46:04,543 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-02 23:46:04,543 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-02 23:46:04,543 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-12-02 23:46:04,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:04,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:46:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:04,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:46:04,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 23:46:04,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 23:46:04,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 23:46:04,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 23:46:04,623 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 5 states. [2018-12-02 23:46:04,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:46:04,666 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2018-12-02 23:46:04,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 23:46:04,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-02 23:46:04,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:46:04,668 INFO L225 Difference]: With dead ends: 49 [2018-12-02 23:46:04,668 INFO L226 Difference]: Without dead ends: 35 [2018-12-02 23:46:04,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 23:46:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-02 23:46:04,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 25. [2018-12-02 23:46:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-02 23:46:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2018-12-02 23:46:04,674 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 14 [2018-12-02 23:46:04,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:46:04,674 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2018-12-02 23:46:04,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 23:46:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-12-02 23:46:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 23:46:04,674 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:04,674 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:04,674 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:04,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:04,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1656958391, now seen corresponding path program 1 times [2018-12-02 23:46:04,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:46:04,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:46:04,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:46:04,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:04,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:46:04,679 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-02 23:46:04,679 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-02 23:46:04,679 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-12-02 23:46:04,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 23:46:04,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 23:46:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 23:46:04,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 23:46:04,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 23:46:04,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 23:46:04,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 23:46:04,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 23:46:04,728 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 5 states. [2018-12-02 23:46:04,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 23:46:04,767 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions. [2018-12-02 23:46:04,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 23:46:04,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-02 23:46:04,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 23:46:04,768 INFO L225 Difference]: With dead ends: 57 [2018-12-02 23:46:04,768 INFO L226 Difference]: Without dead ends: 32 [2018-12-02 23:46:04,768 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 23:46:04,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-02 23:46:04,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2018-12-02 23:46:04,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-02 23:46:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2018-12-02 23:46:04,771 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 17 [2018-12-02 23:46:04,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 23:46:04,771 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2018-12-02 23:46:04,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 23:46:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-12-02 23:46:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 23:46:04,772 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 23:46:04,772 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 23:46:04,772 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 23:46:04,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:46:04,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1471852900, now seen corresponding path program 1 times [2018-12-02 23:46:04,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:46:04,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:46:04,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:46:04,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:04,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:46:04,776 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-12-02 23:46:04,776 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-12-02 23:46:04,776 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-12-02 23:46:04,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:46:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:46:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:46:04,853 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 23:46:04,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:46:04 BoogieIcfgContainer [2018-12-02 23:46:04,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 23:46:04,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:46:04,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:46:04,872 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:46:04,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:04" (3/4) ... [2018-12-02 23:46:04,873 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 23:46:04,901 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5f55c9e7-093c-4e0d-81a9-d258dfc4a3bf/bin-2019/uautomizer/witness.graphml [2018-12-02 23:46:04,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:46:04,902 INFO L168 Benchmark]: Toolchain (without parser) took 942.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -53.6 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:04,902 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:46:04,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.74 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:04,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.05 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:46:04,903 INFO L168 Benchmark]: Boogie Preprocessor took 44.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:04,903 INFO L168 Benchmark]: RCFGBuilder took 157.83 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. [2018-12-02 23:46:04,904 INFO L168 Benchmark]: TraceAbstraction took 549.11 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: 86.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:04,904 INFO L168 Benchmark]: Witness Printer took 29.56 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:46:04,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.74 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 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 13.05 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.83 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. * TraceAbstraction took 549.11 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: 86.2 MB). Peak memory consumption was 86.2 MB. Max. memory is 11.5 GB. * Witness Printer took 29.56 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int N_LIN=__VERIFIER_nondet_uint(); [L15] unsigned int N_COL=__VERIFIER_nondet_uint(); [L16] unsigned int j,k; [L17] int matriz[N_COL][N_LIN], maior; [L19] maior = __VERIFIER_nondet_int() [L20] j=0 VAL [j=0, maior=-2147483058, matriz={6:0}, N_COL=1, N_LIN=1] [L20] COND TRUE jmaior [L26] EXPR matriz[j][k] [L26] maior = matriz[j][k] [L21] k++ VAL [j=0, k=1, maior=-2147483057, matriz={6:0}, N_COL=1, N_LIN=1] [L21] COND FALSE !(k