./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call4.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_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call4.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/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 b029b10ca3d148e0660858adbe98f8ac38a6e21c ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:29:12,482 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:29:12,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:29:12,489 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:29:12,489 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:29:12,490 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:29:12,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:29:12,491 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:29:12,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:29:12,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:29:12,493 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:29:12,493 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:29:12,494 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:29:12,494 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:29:12,495 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:29:12,495 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:29:12,496 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:29:12,497 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:29:12,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:29:12,498 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:29:12,499 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:29:12,500 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:29:12,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:29:12,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:29:12,501 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:29:12,502 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:29:12,502 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:29:12,503 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:29:12,503 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:29:12,504 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:29:12,504 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:29:12,504 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:29:12,504 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:29:12,504 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:29:12,505 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:29:12,505 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:29:12,506 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 06:29:12,513 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:29:12,513 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:29:12,514 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:29:12,514 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:29:12,514 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:29:12,514 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:29:12,514 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 06:29:12,515 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:29:12,515 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:29:12,515 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:29:12,515 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:29:12,515 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:29:12,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:29:12,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:29:12,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:29:12,516 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:29:12,516 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:29:12,516 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:29:12,516 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:29:12,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:29:12,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:29:12,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:29:12,516 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:29:12,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:29:12,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:29:12,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:29:12,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:29:12,517 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 06:29:12,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:29:12,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:29:12,518 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_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/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 -> b029b10ca3d148e0660858adbe98f8ac38a6e21c [2018-12-02 06:29:12,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:29:12,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:29:12,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:29:12,550 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:29:12,550 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:29:12,551 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call4.i [2018-12-02 06:29:12,596 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/data/ba8bdf0a9/7db21684137e4e8a8a9f5b3f8a6b030f/FLAG40fabcc34 [2018-12-02 06:29:13,006 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:29:13,006 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/sv-benchmarks/c/loop-acceleration/simple_true-unreach-call4.i [2018-12-02 06:29:13,009 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/data/ba8bdf0a9/7db21684137e4e8a8a9f5b3f8a6b030f/FLAG40fabcc34 [2018-12-02 06:29:13,017 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/data/ba8bdf0a9/7db21684137e4e8a8a9f5b3f8a6b030f [2018-12-02 06:29:13,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:29:13,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:29:13,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:29:13,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:29:13,022 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:29:13,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13, skipping insertion in model container [2018-12-02 06:29:13,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:29:13,041 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:29:13,125 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:29:13,128 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:29:13,136 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:29:13,143 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:29:13,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13 WrapperNode [2018-12-02 06:29:13,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:29:13,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:29:13,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:29:13,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:29:13,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:29:13,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:29:13,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:29:13,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:29:13,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... [2018-12-02 06:29:13,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:29:13,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:29:13,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:29:13,167 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:29:13,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/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 06:29:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:29:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:29:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:29:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:29:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:29:13,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:29:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 06:29:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 06:29:13,304 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:29:13,304 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 06:29:13,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:29:13 BoogieIcfgContainer [2018-12-02 06:29:13,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:29:13,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:29:13,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:29:13,307 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:29:13,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:29:13" (1/3) ... [2018-12-02 06:29:13,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a15662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:29:13, skipping insertion in model container [2018-12-02 06:29:13,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:29:13" (2/3) ... [2018-12-02 06:29:13,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a15662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:29:13, skipping insertion in model container [2018-12-02 06:29:13,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:29:13" (3/3) ... [2018-12-02 06:29:13,309 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call4.i [2018-12-02 06:29:13,315 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:29:13,319 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:29:13,328 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:29:13,346 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:29:13,346 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:29:13,347 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:29:13,347 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:29:13,347 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:29:13,347 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:29:13,347 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:29:13,347 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:29:13,347 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:29:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-02 06:29:13,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 06:29:13,360 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:29:13,361 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:29:13,362 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:29:13,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:29:13,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2018-12-02 06:29:13,367 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:29:13,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:29:13,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:29:13,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:29:13,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:29:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:29:13,488 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 06:29:13,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:29:13,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:29:13,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:29:13,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:29:13,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:29:13,501 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-12-02 06:29:13,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:29:13,517 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2018-12-02 06:29:13,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:29:13,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-02 06:29:13,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:29:13,522 INFO L225 Difference]: With dead ends: 29 [2018-12-02 06:29:13,522 INFO L226 Difference]: Without dead ends: 12 [2018-12-02 06:29:13,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:29:13,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-12-02 06:29:13,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-12-02 06:29:13,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-12-02 06:29:13,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-12-02 06:29:13,544 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-12-02 06:29:13,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:29:13,544 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-12-02 06:29:13,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:29:13,544 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-12-02 06:29:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 06:29:13,544 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:29:13,544 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:29:13,545 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:29:13,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:29:13,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1432376145, now seen corresponding path program 1 times [2018-12-02 06:29:13,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:29:13,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:29:13,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:29:13,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:29:13,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:29:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:29:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:29:13,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:29:13,584 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:29:13,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:29:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:29:13,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:29:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:29:13,641 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:29:13,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-12-02 06:29:13,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:29:13,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:29:13,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:29:13,642 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 5 states. [2018-12-02 06:29:13,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:29:13,655 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-12-02 06:29:13,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:29:13,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-12-02 06:29:13,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:29:13,656 INFO L225 Difference]: With dead ends: 18 [2018-12-02 06:29:13,656 INFO L226 Difference]: Without dead ends: 13 [2018-12-02 06:29:13,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:29:13,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-12-02 06:29:13,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-12-02 06:29:13,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-02 06:29:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-02 06:29:13,658 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-12-02 06:29:13,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:29:13,658 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-12-02 06:29:13,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:29:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-02 06:29:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 06:29:13,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:29:13,659 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:29:13,659 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:29:13,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:29:13,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1490448798, now seen corresponding path program 2 times [2018-12-02 06:29:13,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 06:29:13,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 06:29:13,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:29:13,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:29:13,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:29:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:29:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:29:13,710 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:29:13,710 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:29:13,718 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 06:29:13,723 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-02 06:29:13,723 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 06:29:13,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:29:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:29:13,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:29:13,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2018-12-02 06:29:13,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:29:13,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:29:13,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:29:13,784 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 8 states. [2018-12-02 06:29:13,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:29:13,813 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-12-02 06:29:13,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:29:13,814 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2018-12-02 06:29:13,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:29:13,814 INFO L225 Difference]: With dead ends: 17 [2018-12-02 06:29:13,814 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:29:13,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:29:13,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:29:13,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:29:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:29:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:29:13,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-12-02 06:29:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:29:13,815 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:29:13,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:29:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:29:13,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:29:13,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:29:13,829 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-02 06:29:13,829 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:29:13,830 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:29:13,830 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 06:29:13,830 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:29:13,830 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:29:13,830 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 8 14) the Hoare annotation is: true [2018-12-02 06:29:13,830 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 8 14) no Hoare annotation was computed. [2018-12-02 06:29:13,830 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 8 14) no Hoare annotation was computed. [2018-12-02 06:29:13,830 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 12) the Hoare annotation is: true [2018-12-02 06:29:13,830 INFO L444 ceAbstractionStarter]: At program point L10-3(lines 10 12) the Hoare annotation is: (<= (mod main_~x~0 4294967296) 0) [2018-12-02 06:29:13,830 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-02 06:29:13,830 INFO L448 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-12-02 06:29:13,830 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-12-02 06:29:13,830 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-12-02 06:29:13,830 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-02 06:29:13,831 INFO L448 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-12-02 06:29:13,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:29:13 BoogieIcfgContainer [2018-12-02 06:29:13,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:29:13,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:29:13,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:29:13,834 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:29:13,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:29:13" (3/4) ... [2018-12-02 06:29:13,837 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:29:13,841 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:29:13,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:29:13,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-02 06:29:13,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 06:29:13,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 06:29:13,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 06:29:13,866 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7a89e0f5-ad21-4bb8-8a2b-fdfe19c6b641/bin-2019/uautomizer/witness.graphml [2018-12-02 06:29:13,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:29:13,867 INFO L168 Benchmark]: Toolchain (without parser) took 847.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 961.4 MB in the beginning and 975.8 MB in the end (delta: -14.4 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:29:13,868 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-02 06:29:13,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.60 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 949.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:29:13,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.20 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:29:13,868 INFO L168 Benchmark]: Boogie Preprocessor took 11.42 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:29:13,869 INFO L168 Benchmark]: RCFGBuilder took 137.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -103.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:29:13,869 INFO L168 Benchmark]: TraceAbstraction took 528.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.0 MB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:29:13,869 INFO L168 Benchmark]: Witness Printer took 32.33 ms. Allocated memory is still 1.1 GB. Free memory was 983.0 MB in the beginning and 975.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:29:13,871 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.60 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 949.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.20 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.42 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 137.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -103.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 528.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.0 MB in the end (delta: 70.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 11.5 GB. * Witness Printer took 32.33 ms. Allocated memory is still 1.1 GB. Free memory was 983.0 MB in the beginning and 975.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 SDtfs, 1 SDslu, 63 SDs, 0 SdLazy, 33 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 11 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 1163 SizeOfPredicates, 3 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...