./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/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 a2dbe578aaa8f4d94b72aa1723f297c002a26229 ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/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 a2dbe578aaa8f4d94b72aa1723f297c002a26229 ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:43:02,083 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:43:02,085 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:43:02,094 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:43:02,094 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:43:02,095 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:43:02,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:43:02,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:43:02,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:43:02,101 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:43:02,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:43:02,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:43:02,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:43:02,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:43:02,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:43:02,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:43:02,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:43:02,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:43:02,108 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:43:02,110 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:43:02,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:43:02,112 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:43:02,114 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:43:02,114 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:43:02,115 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:43:02,115 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:43:02,116 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:43:02,117 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:43:02,117 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:43:02,118 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:43:02,118 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:43:02,119 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:43:02,119 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:43:02,119 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:43:02,120 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:43:02,121 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:43:02,121 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 10:43:02,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:43:02,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:43:02,144 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:43:02,144 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 10:43:02,145 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:43:02,145 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:43:02,145 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:43:02,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:43:02,145 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:43:02,145 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:43:02,145 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:43:02,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:43:02,146 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:43:02,146 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:43:02,146 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:43:02,146 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:43:02,146 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:43:02,146 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:43:02,146 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:43:02,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:43:02,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:43:02,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:43:02,147 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:43:02,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:43:02,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:43:02,147 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:43:02,147 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:43:02,148 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:43:02,148 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:43:02,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:43:02,148 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_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/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 -> a2dbe578aaa8f4d94b72aa1723f297c002a26229 [2018-11-18 10:43:02,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:43:02,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:43:02,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:43:02,233 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:43:02,234 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:43:02,234 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-18 10:43:02,327 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data/477e0a06b/7db1f2f693304285a5ecbee7560aacb8/FLAG8cc420717 [2018-11-18 10:43:02,727 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:43:02,730 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-18 10:43:02,735 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data/477e0a06b/7db1f2f693304285a5ecbee7560aacb8/FLAG8cc420717 [2018-11-18 10:43:03,117 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data/477e0a06b/7db1f2f693304285a5ecbee7560aacb8 [2018-11-18 10:43:03,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:43:03,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:43:03,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:43:03,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:43:03,125 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:43:03,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3670eee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03, skipping insertion in model container [2018-11-18 10:43:03,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:43:03,151 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:43:03,291 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:43:03,299 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:43:03,311 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:43:03,329 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:43:03,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03 WrapperNode [2018-11-18 10:43:03,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:43:03,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:43:03,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:43:03,331 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:43:03,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (1/1) ... [2018-11-18 10:43:03,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:43:03,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:43:03,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:43:03,359 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:43:03,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/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 [2018-11-18 10:43:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:43:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:43:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:43:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:43:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 10:43:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:43:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:43:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:43:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:43:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:43:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:43:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 10:43:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:43:03,599 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:43:03,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:43:03 BoogieIcfgContainer [2018-11-18 10:43:03,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:43:03,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:43:03,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:43:03,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:43:03,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:43:03" (1/3) ... [2018-11-18 10:43:03,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf05bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:43:03, skipping insertion in model container [2018-11-18 10:43:03,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:03" (2/3) ... [2018-11-18 10:43:03,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf05bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:43:03, skipping insertion in model container [2018-11-18 10:43:03,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:43:03" (3/3) ... [2018-11-18 10:43:03,606 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2018-11-18 10:43:03,613 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:43:03,621 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:43:03,634 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:43:03,658 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:43:03,658 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:43:03,659 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:43:03,659 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:43:03,659 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:43:03,659 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:43:03,659 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:43:03,659 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:43:03,659 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:43:03,680 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-18 10:43:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:43:03,685 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:43:03,687 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:43:03,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:43:03,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:43:03,693 INFO L82 PathProgramCache]: Analyzing trace with hash -692123559, now seen corresponding path program 1 times [2018-11-18 10:43:03,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:43:03,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:43:03,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:03,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:43:03,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:43:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:43:03,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:43:03,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:43:03,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:43:03,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:43:03,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:43:03,835 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-18 10:43:03,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:43:03,849 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2018-11-18 10:43:03,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:43:03,850 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-18 10:43:03,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:43:03,862 INFO L225 Difference]: With dead ends: 29 [2018-11-18 10:43:03,862 INFO L226 Difference]: Without dead ends: 14 [2018-11-18 10:43:03,865 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:43:03,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-18 10:43:03,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-18 10:43:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 10:43:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-18 10:43:03,894 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-11-18 10:43:03,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:43:03,895 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-18 10:43:03,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:43:03,895 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-18 10:43:03,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 10:43:03,895 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:43:03,895 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:43:03,896 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:43:03,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:43:03,896 INFO L82 PathProgramCache]: Analyzing trace with hash 925435379, now seen corresponding path program 1 times [2018-11-18 10:43:03,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:43:03,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:43:03,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:03,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:43:03,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:43:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:43:03,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:43:03,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:43:03,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:43:03,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:43:03,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:43:03,973 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 3 states. [2018-11-18 10:43:04,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:43:04,022 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-18 10:43:04,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:43:04,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 10:43:04,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:43:04,023 INFO L225 Difference]: With dead ends: 22 [2018-11-18 10:43:04,023 INFO L226 Difference]: Without dead ends: 17 [2018-11-18 10:43:04,024 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:43:04,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-18 10:43:04,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-18 10:43:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-18 10:43:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-18 10:43:04,027 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 13 [2018-11-18 10:43:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:43:04,028 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-11-18 10:43:04,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:43:04,028 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-18 10:43:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:43:04,028 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:43:04,028 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:43:04,029 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:43:04,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:43:04,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2086497215, now seen corresponding path program 1 times [2018-11-18 10:43:04,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:43:04,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:43:04,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:04,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:43:04,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:43:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:43:04,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:43:04,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:43:04,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:43:04,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:43:04,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:43:04,211 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 5 states. [2018-11-18 10:43:04,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:43:04,298 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-11-18 10:43:04,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:43:04,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-18 10:43:04,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:43:04,298 INFO L225 Difference]: With dead ends: 17 [2018-11-18 10:43:04,298 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:43:04,299 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:43:04,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:43:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:43:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:43:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:43:04,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-18 10:43:04,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:43:04,300 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:43:04,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:43:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:43:04,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:43:04,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:43:04,375 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:43:04,375 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:43:04,375 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:43:04,375 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:43:04,376 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~i~0 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |~#x~0.base|))) [2018-11-18 10:43:04,376 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:43:04,376 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:43:04,376 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 8 23) no Hoare annotation was computed. [2018-11-18 10:43:04,376 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-11-18 10:43:04,376 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 8 23) no Hoare annotation was computed. [2018-11-18 10:43:04,376 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 8 23) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (not (= 0 |old(~i~0)|)) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (and (= ~i~0 0) (= .cse0 (select |#memory_int| |~#x~0.base|))))) [2018-11-18 10:43:04,376 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-11-18 10:43:04,376 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-18 10:43:04,377 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-11-18 10:43:04,377 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-11-18 10:43:04,377 INFO L425 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-11-18 10:43:04,377 INFO L425 ceAbstractionStarter]: For program point L12-2(lines 12 15) no Hoare annotation was computed. [2018-11-18 10:43:04,377 INFO L421 ceAbstractionStarter]: At program point L12-4(lines 12 15) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (not (= 0 |old(~i~0)|)) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (and (= ~i~0 0) (= .cse0 (select |#memory_int| |~#x~0.base|))))) [2018-11-18 10:43:04,377 INFO L425 ceAbstractionStarter]: For program point L12-5(lines 12 15) no Hoare annotation was computed. [2018-11-18 10:43:04,380 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:108) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:92) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:537) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 10:43:04,390 INFO L168 Benchmark]: Toolchain (without parser) took 1267.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 959.7 MB in the beginning and 999.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:04,392 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:43:04,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.67 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:04,393 INFO L168 Benchmark]: Boogie Preprocessor took 28.56 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:04,393 INFO L168 Benchmark]: RCFGBuilder took 240.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -105.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:04,394 INFO L168 Benchmark]: TraceAbstraction took 786.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.4 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:04,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.67 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 948.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.56 ms. Allocated memory is still 1.0 GB. Free memory was 948.9 MB in the beginning and 946.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 240.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -105.8 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 786.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.4 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: 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 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 10:43:06,139 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:43:06,140 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:43:06,150 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:43:06,151 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:43:06,151 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:43:06,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:43:06,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:43:06,155 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:43:06,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:43:06,156 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:43:06,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:43:06,157 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:43:06,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:43:06,159 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:43:06,159 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:43:06,160 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:43:06,161 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:43:06,163 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:43:06,164 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:43:06,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:43:06,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:43:06,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:43:06,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:43:06,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:43:06,168 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:43:06,169 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:43:06,169 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:43:06,170 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:43:06,171 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:43:06,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:43:06,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:43:06,171 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:43:06,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:43:06,172 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:43:06,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:43:06,173 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 10:43:06,184 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:43:06,184 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:43:06,185 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:43:06,185 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:43:06,185 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:43:06,185 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:43:06,186 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:43:06,186 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:43:06,186 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:43:06,186 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:43:06,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:43:06,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:43:06,186 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:43:06,186 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:43:06,186 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:43:06,187 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:43:06,187 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:43:06,187 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:43:06,187 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:43:06,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:43:06,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:43:06,187 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:43:06,187 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:43:06,188 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:43:06,188 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:43:06,188 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:43:06,188 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:43:06,188 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:43:06,188 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 10:43:06,188 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:43:06,188 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:43:06,188 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:43:06,188 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_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/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 -> a2dbe578aaa8f4d94b72aa1723f297c002a26229 [2018-11-18 10:43:06,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:43:06,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:43:06,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:43:06,234 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:43:06,234 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:43:06,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-18 10:43:06,311 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data/d5a165174/e307fcf20b6e443fae91281dab1ba67b/FLAG1d49f876e [2018-11-18 10:43:06,606 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:43:06,606 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-18 10:43:06,610 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data/d5a165174/e307fcf20b6e443fae91281dab1ba67b/FLAG1d49f876e [2018-11-18 10:43:07,039 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/data/d5a165174/e307fcf20b6e443fae91281dab1ba67b [2018-11-18 10:43:07,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:43:07,043 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:43:07,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:43:07,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:43:07,046 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:43:07,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a0347f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07, skipping insertion in model container [2018-11-18 10:43:07,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:43:07,068 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:43:07,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:43:07,211 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:43:07,227 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:43:07,248 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:43:07,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07 WrapperNode [2018-11-18 10:43:07,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:43:07,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:43:07,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:43:07,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:43:07,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (1/1) ... [2018-11-18 10:43:07,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:43:07,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:43:07,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:43:07,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:43:07,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/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 [2018-11-18 10:43:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:43:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:43:07,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:43:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:43:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 10:43:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:43:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 10:43:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 10:43:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:43:07,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:43:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:43:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-18 10:43:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:43:07,573 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:43:07,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:43:07 BoogieIcfgContainer [2018-11-18 10:43:07,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:43:07,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:43:07,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:43:07,580 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:43:07,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:43:07" (1/3) ... [2018-11-18 10:43:07,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d493235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:43:07, skipping insertion in model container [2018-11-18 10:43:07,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:07" (2/3) ... [2018-11-18 10:43:07,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d493235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:43:07, skipping insertion in model container [2018-11-18 10:43:07,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:43:07" (3/3) ... [2018-11-18 10:43:07,584 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2018-11-18 10:43:07,590 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:43:07,595 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:43:07,605 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:43:07,649 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:43:07,650 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:43:07,650 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:43:07,650 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:43:07,650 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:43:07,650 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:43:07,650 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:43:07,650 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:43:07,650 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:43:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-18 10:43:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:43:07,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:43:07,666 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:43:07,667 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:43:07,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:43:07,671 INFO L82 PathProgramCache]: Analyzing trace with hash -692123559, now seen corresponding path program 1 times [2018-11-18 10:43:07,673 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:43:07,674 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:43:07,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:43:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:43:07,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:43:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:43:07,755 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:43:07,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:43:07,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:43:07,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:43:07,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:43:07,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:43:07,774 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-18 10:43:07,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:43:07,788 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2018-11-18 10:43:07,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:43:07,790 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-18 10:43:07,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:43:07,796 INFO L225 Difference]: With dead ends: 29 [2018-11-18 10:43:07,796 INFO L226 Difference]: Without dead ends: 14 [2018-11-18 10:43:07,799 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:43:07,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-18 10:43:07,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-18 10:43:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 10:43:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-18 10:43:07,828 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-11-18 10:43:07,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:43:07,829 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-18 10:43:07,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:43:07,829 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-18 10:43:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 10:43:07,830 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:43:07,830 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:43:07,830 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:43:07,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:43:07,830 INFO L82 PathProgramCache]: Analyzing trace with hash 925435379, now seen corresponding path program 1 times [2018-11-18 10:43:07,831 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:43:07,831 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:43:07,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:43:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:43:07,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:43:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:43:07,922 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:43:07,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:43:07,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:43:07,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:43:07,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:43:07,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:43:07,926 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 3 states. [2018-11-18 10:43:07,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:43:07,973 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-18 10:43:07,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:43:07,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 10:43:07,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:43:07,974 INFO L225 Difference]: With dead ends: 22 [2018-11-18 10:43:07,974 INFO L226 Difference]: Without dead ends: 17 [2018-11-18 10:43:07,975 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:43:07,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-18 10:43:07,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-18 10:43:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-18 10:43:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-18 10:43:07,979 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 13 [2018-11-18 10:43:07,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:43:07,979 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-11-18 10:43:07,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:43:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-18 10:43:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:43:07,980 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:43:07,980 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:43:07,980 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:43:07,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:43:07,980 INFO L82 PathProgramCache]: Analyzing trace with hash -2086497215, now seen corresponding path program 1 times [2018-11-18 10:43:07,981 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 10:43:07,981 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b1d471a8-ee89-4d70-84d5-ed0a66393e2a/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 10:43:08,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:43:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:43:08,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:43:08,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-11-18 10:43:08,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-11-18 10:43:08,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 10:43:08,137 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 10:43:08,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-11-18 10:43:08,184 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 10:43:08,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-11-18 10:43:08,186 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 10:43:08,200 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 10:43:08,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 10:43:08,249 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2018-11-18 10:43:09,653 WARN L180 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 14 [2018-11-18 10:43:09,670 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 10:43:09,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-18 10:43:09,672 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 10:43:09,677 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 10:43:09,678 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:27, output treesize:9 [2018-11-18 10:43:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:43:09,690 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:43:09,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:43:09,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:43:09,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:43:09,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:43:09,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:43:09,694 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 4 states. [2018-11-18 10:43:11,748 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 22 [2018-11-18 10:43:11,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:43:11,749 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-11-18 10:43:11,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:43:11,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-18 10:43:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:43:11,750 INFO L225 Difference]: With dead ends: 17 [2018-11-18 10:43:11,750 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:43:11,751 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:43:11,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:43:11,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:43:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:43:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:43:11,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-18 10:43:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:43:11,752 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:43:11,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:43:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:43:11,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:43:11,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:43:13,791 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 17 [2018-11-18 10:43:16,540 WARN L180 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 10:43:20,563 WARN L180 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 10:43:20,565 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:43:20,565 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:43:20,565 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:43:20,565 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:43:20,566 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) #b00000000000000000000000000000000) (select |#memory_int| |~#x~0.base|)) (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) #b00000000000000000000000000000000)))) (= (_ bv0 32) ~i~0)) [2018-11-18 10:43:20,566 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:43:20,566 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:43:20,566 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-11-18 10:43:20,566 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 8 23) no Hoare annotation was computed. [2018-11-18 10:43:20,566 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-11-18 10:43:20,566 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 8 23) no Hoare annotation was computed. [2018-11-18 10:43:20,566 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 8 23) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) #b00000000000000000000000000000000))) (or (and (= .cse0 (select |#memory_int| |~#x~0.base|)) (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) #b00000000000000000000000000000000)))) (= (_ bv0 32) ~i~0)) (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) #b00000000000000000000000000000000) (select |old(#memory_int)| |~#y~0.base|))))) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (not (= (_ bv0 32) |old(~i~0)|)))) [2018-11-18 10:43:20,566 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-18 10:43:20,567 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-11-18 10:43:20,567 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-11-18 10:43:20,567 INFO L425 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-11-18 10:43:20,567 INFO L425 ceAbstractionStarter]: For program point L12-2(lines 12 15) no Hoare annotation was computed. [2018-11-18 10:43:20,567 INFO L421 ceAbstractionStarter]: At program point L12-4(lines 12 15) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) #b00000000000000000000000000000000))) (or (and (= .cse0 (select |#memory_int| |~#x~0.base|)) (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) #b00000000000000000000000000000000)))) (= (_ bv0 32) ~i~0)) (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) #b00000000000000000000000000000000) (select |old(#memory_int)| |~#y~0.base|))))) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (not (= (_ bv0 32) |old(~i~0)|)))) [2018-11-18 10:43:20,567 INFO L425 ceAbstractionStarter]: For program point L12-5(lines 12 15) no Hoare annotation was computed. [2018-11-18 10:43:20,569 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:108) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:92) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:537) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 10:43:20,571 INFO L168 Benchmark]: Toolchain (without parser) took 13528.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.9 MB in the beginning and 1.0 GB in the end (delta: -63.4 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:20,572 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:43:20,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.85 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 937.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:20,572 INFO L168 Benchmark]: Boogie Preprocessor took 31.87 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:20,573 INFO L168 Benchmark]: RCFGBuilder took 291.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:20,573 INFO L168 Benchmark]: TraceAbstraction took 12996.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:20,576 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.85 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 937.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.87 ms. Allocated memory is still 1.0 GB. Free memory was 937.1 MB in the beginning and 931.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 291.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12996.08 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: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...