./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call2_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_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/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 19159d757ff9bc2b1ccf1f6a0fb8efc50ca58127 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 13:48:18,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 13:48:18,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 13:48:18,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 13:48:18,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 13:48:18,845 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 13:48:18,846 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 13:48:18,847 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 13:48:18,848 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 13:48:18,848 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 13:48:18,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 13:48:18,849 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 13:48:18,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 13:48:18,850 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 13:48:18,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 13:48:18,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 13:48:18,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 13:48:18,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 13:48:18,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 13:48:18,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 13:48:18,854 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 13:48:18,855 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 13:48:18,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 13:48:18,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 13:48:18,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 13:48:18,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 13:48:18,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 13:48:18,858 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 13:48:18,858 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 13:48:18,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 13:48:18,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 13:48:18,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 13:48:18,859 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 13:48:18,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 13:48:18,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 13:48:18,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 13:48:18,860 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 13:48:18,870 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 13:48:18,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 13:48:18,870 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 13:48:18,871 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 13:48:18,871 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 13:48:18,871 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 13:48:18,871 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 13:48:18,871 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 13:48:18,872 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 13:48:18,872 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 13:48:18,872 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 13:48:18,872 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 13:48:18,872 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 13:48:18,872 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 13:48:18,872 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 13:48:18,873 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 13:48:18,873 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 13:48:18,873 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 13:48:18,873 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 13:48:18,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 13:48:18,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 13:48:18,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 13:48:18,874 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 13:48:18,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 13:48:18,874 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 13:48:18,874 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 13:48:18,874 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 13:48:18,874 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 13:48:18,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 13:48:18,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 13:48:18,875 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_edfbf4a0-ff74-4d29-865c-0b59529cf13d/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 -> 19159d757ff9bc2b1ccf1f6a0fb8efc50ca58127 [2018-12-01 13:48:18,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 13:48:18,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 13:48:18,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 13:48:18,909 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 13:48:18,909 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 13:48:18,909 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/../../sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i [2018-12-01 13:48:18,945 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/data/60ed248c4/53465471880c492a9816a69acc8e2f3d/FLAGea2a11b6d [2018-12-01 13:48:19,358 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 13:48:19,358 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/sv-benchmarks/c/loop-crafted/simple_vardep_true-unreach-call2_true-termination.i [2018-12-01 13:48:19,362 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/data/60ed248c4/53465471880c492a9816a69acc8e2f3d/FLAGea2a11b6d [2018-12-01 13:48:19,370 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/data/60ed248c4/53465471880c492a9816a69acc8e2f3d [2018-12-01 13:48:19,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 13:48:19,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 13:48:19,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 13:48:19,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 13:48:19,374 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 13:48:19,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19, skipping insertion in model container [2018-12-01 13:48:19,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 13:48:19,389 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 13:48:19,473 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:48:19,475 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 13:48:19,484 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:48:19,492 INFO L195 MainTranslator]: Completed translation [2018-12-01 13:48:19,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19 WrapperNode [2018-12-01 13:48:19,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 13:48:19,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 13:48:19,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 13:48:19,493 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 13:48:19,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 13:48:19,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 13:48:19,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 13:48:19,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 13:48:19,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... [2018-12-01 13:48:19,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 13:48:19,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 13:48:19,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 13:48:19,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 13:48:19,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/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 [2018-12-01 13:48:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 13:48:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 13:48:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 13:48:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 13:48:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 13:48:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 13:48:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-01 13:48:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-01 13:48:19,667 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 13:48:19,667 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 13:48:19,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:48:19 BoogieIcfgContainer [2018-12-01 13:48:19,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 13:48:19,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 13:48:19,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 13:48:19,671 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 13:48:19,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 01:48:19" (1/3) ... [2018-12-01 13:48:19,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ef8ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:48:19, skipping insertion in model container [2018-12-01 13:48:19,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:48:19" (2/3) ... [2018-12-01 13:48:19,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ef8ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:48:19, skipping insertion in model container [2018-12-01 13:48:19,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:48:19" (3/3) ... [2018-12-01 13:48:19,673 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_vardep_true-unreach-call2_true-termination.i [2018-12-01 13:48:19,679 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 13:48:19,683 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 13:48:19,693 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 13:48:19,715 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 13:48:19,716 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 13:48:19,716 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 13:48:19,716 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 13:48:19,716 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 13:48:19,716 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 13:48:19,716 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 13:48:19,716 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 13:48:19,716 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 13:48:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-01 13:48:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 13:48:19,733 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 13:48:19,733 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 13:48:19,735 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 13:48:19,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:48:19,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1847991872, now seen corresponding path program 1 times [2018-12-01 13:48:19,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 13:48:19,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 13:48:19,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:48:19,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 13:48:19,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 13:48:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:20,028 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2018-12-01 13:48:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:20,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 13:48:20,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 13:48:20,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 13:48:20,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 13:48:20,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-01 13:48:20,054 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2018-12-01 13:48:20,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 13:48:20,089 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2018-12-01 13:48:20,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 13:48:20,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-12-01 13:48:20,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 13:48:20,094 INFO L225 Difference]: With dead ends: 27 [2018-12-01 13:48:20,094 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 13:48:20,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-01 13:48:20,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 13:48:20,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 13:48:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 13:48:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 13:48:20,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-12-01 13:48:20,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 13:48:20,112 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 13:48:20,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 13:48:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 13:48:20,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 13:48:20,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 13:48:20,142 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-01 13:48:20,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 13:48:20,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 13:48:20,142 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 13:48:20,142 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 13:48:20,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 13:48:20,142 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 15 28) the Hoare annotation is: true [2018-12-01 13:48:20,143 INFO L444 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0)) (.cse1 (* 3 main_~i~0))) (and (<= .cse0 main_~j~0) (<= main_~j~0 .cse0) (<= .cse1 main_~k~0) (<= main_~k~0 .cse1))) [2018-12-01 13:48:20,143 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 15 28) no Hoare annotation was computed. [2018-12-01 13:48:20,143 INFO L444 ceAbstractionStarter]: At program point L25-1(lines 21 26) the Hoare annotation is: (let ((.cse0 (* 2 main_~i~0)) (.cse1 (* 3 main_~i~0))) (and (<= .cse0 main_~j~0) (<= main_~j~0 .cse0) (<= .cse1 main_~k~0) (<= main_~k~0 .cse1))) [2018-12-01 13:48:20,143 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 15 28) no Hoare annotation was computed. [2018-12-01 13:48:20,143 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-12-01 13:48:20,143 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true [2018-12-01 13:48:20,144 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-12-01 13:48:20,144 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 7 13) no Hoare annotation was computed. [2018-12-01 13:48:20,144 INFO L448 ceAbstractionStarter]: For program point L9(lines 9 11) no Hoare annotation was computed. [2018-12-01 13:48:20,144 INFO L448 ceAbstractionStarter]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2018-12-01 13:48:20,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 01:48:20 BoogieIcfgContainer [2018-12-01 13:48:20,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 13:48:20,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 13:48:20,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 13:48:20,155 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 13:48:20,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:48:19" (3/4) ... [2018-12-01 13:48:20,159 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 13:48:20,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 13:48:20,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 13:48:20,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-01 13:48:20,168 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-01 13:48:20,168 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 13:48:20,168 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 13:48:20,194 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_edfbf4a0-ff74-4d29-865c-0b59529cf13d/bin-2019/uautomizer/witness.graphml [2018-12-01 13:48:20,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 13:48:20,195 INFO L168 Benchmark]: Toolchain (without parser) took 823.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 961.4 MB in the beginning and 1.0 GB in the end (delta: -40.0 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-12-01 13:48:20,196 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:48:20,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 120.04 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 13:48:20,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.07 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:48:20,196 INFO L168 Benchmark]: Boogie Preprocessor took 11.10 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:48:20,196 INFO L168 Benchmark]: RCFGBuilder took 152.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -104.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-01 13:48:20,197 INFO L168 Benchmark]: TraceAbstraction took 486.88 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-12-01 13:48:20,197 INFO L168 Benchmark]: Witness Printer took 39.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 13:48:20,199 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 120.04 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 11.07 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.10 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 152.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -104.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 486.88 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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: 21]: Loop Invariant Derived loop invariant: ((2 * i <= j && j <= 2 * i) && 3 * i <= k) && k <= 3 * i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 7 SDslu, 33 SDs, 0 SdLazy, 15 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 47 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 1044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...