./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba13ae03d66e26692285201b6dabc9984fe627f1 ............................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba13ae03d66e26692285201b6dabc9984fe627f1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:07,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:07,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:07,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:07,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:07,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:07,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:07,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:07,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:07,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:07,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:07,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:07,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:07,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:07,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:07,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:07,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:07,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:07,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:07,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:07,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:07,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:07,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:07,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:07,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:07,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:07,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:07,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:07,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:07,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:07,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:07,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:07,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:07,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:07,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:07,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:07,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:07,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:07,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:07,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:07,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:07,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:07,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:07,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:07,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:07,663 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:07,663 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:07,663 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:07,664 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:07,664 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:07,664 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:07,664 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:07,664 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:07,664 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:07,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:07,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:07,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:07,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:07,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:07,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:07,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:07,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:07,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:07,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:07,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:07,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:07,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:07,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:07,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:07,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:07,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:07,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:07,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:07,669 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:07,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:07,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:07,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:07,669 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan 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 -> Taipan 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 -> ba13ae03d66e26692285201b6dabc9984fe627f1 [2019-10-22 11:21:07,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:07,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:07,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:07,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:07,712 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:07,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-10-22 11:21:07,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data/578bc6ffd/de7f9d4cb6574235bd0196e07ebaca6a/FLAGe0a702e6d [2019-10-22 11:21:08,156 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:08,156 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-10-22 11:21:08,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data/578bc6ffd/de7f9d4cb6574235bd0196e07ebaca6a/FLAGe0a702e6d [2019-10-22 11:21:08,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data/578bc6ffd/de7f9d4cb6574235bd0196e07ebaca6a [2019-10-22 11:21:08,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:08,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:08,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:08,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:08,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:08,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182b198d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08, skipping insertion in model container [2019-10-22 11:21:08,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,189 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:08,206 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:08,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:08,413 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:08,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:08,525 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:08,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08 WrapperNode [2019-10-22 11:21:08,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:08,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:08,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:08,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:08,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:08,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:08,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:08,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:08,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... [2019-10-22 11:21:08,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:08,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:08,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:08,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:08,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/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 [2019-10-22 11:21:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:21:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:08,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:21:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:08,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:21:09,032 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:09,032 INFO L284 CfgBuilder]: Removed 24 assume(true) statements. [2019-10-22 11:21:09,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:09 BoogieIcfgContainer [2019-10-22 11:21:09,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:09,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:09,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:09,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:09,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:08" (1/3) ... [2019-10-22 11:21:09,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e36b6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:09, skipping insertion in model container [2019-10-22 11:21:09,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:08" (2/3) ... [2019-10-22 11:21:09,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e36b6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:09, skipping insertion in model container [2019-10-22 11:21:09,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:09" (3/3) ... [2019-10-22 11:21:09,048 INFO L109 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2019-10-22 11:21:09,055 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:09,060 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:09,068 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:09,091 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:09,091 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:09,091 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:09,091 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:09,091 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:09,091 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:09,092 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:09,092 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-10-22 11:21:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:21:09,112 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:09,113 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:09,115 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:09,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:09,120 INFO L82 PathProgramCache]: Analyzing trace with hash 212109301, now seen corresponding path program 1 times [2019-10-22 11:21:09,128 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:09,128 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754715872] [2019-10-22 11:21:09,128 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:09,128 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:09,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754715872] [2019-10-22 11:21:09,250 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:09,250 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:21:09,251 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868872179] [2019-10-22 11:21:09,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:21:09,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:21:09,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:21:09,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:21:09,266 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 3 states. [2019-10-22 11:21:09,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:09,359 INFO L93 Difference]: Finished difference Result 137 states and 207 transitions. [2019-10-22 11:21:09,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:09,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-10-22 11:21:09,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:09,372 INFO L225 Difference]: With dead ends: 137 [2019-10-22 11:21:09,372 INFO L226 Difference]: Without dead ends: 85 [2019-10-22 11:21:09,377 INFO L600 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 [2019-10-22 11:21:09,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-22 11:21:09,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 45. [2019-10-22 11:21:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 11:21:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2019-10-22 11:21:09,412 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 8 [2019-10-22 11:21:09,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:09,412 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2019-10-22 11:21:09,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:21:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2019-10-22 11:21:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:21:09,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:09,413 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:09,414 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:09,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:09,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1436007159, now seen corresponding path program 1 times [2019-10-22 11:21:09,414 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:21:09,414 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276177247] [2019-10-22 11:21:09,414 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:09,415 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:21:09,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:21:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276177247] [2019-10-22 11:21:09,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700192715] [2019-10-22 11:21:09,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:09,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 11:21:09,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,534 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:09,560 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2061578143] [2019-10-22 11:21:09,566 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 11 [2019-10-22 11:21:09,609 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:21:09,609 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:21:09,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:09,900 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-10-22 11:21:09,904 INFO L168 Benchmark]: Toolchain (without parser) took 1729.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 944.5 MB in the beginning and 1.0 GB in the end (delta: -101.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:09,905 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:09,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:09,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:09,906 INFO L168 Benchmark]: Boogie Preprocessor took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:09,907 INFO L168 Benchmark]: RCFGBuilder took 434.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:09,907 INFO L168 Benchmark]: TraceAbstraction took 867.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:09,910 INFO L335 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 434.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 867.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:11,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:11,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:12,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:12,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:12,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:12,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:12,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:12,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:12,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:12,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:12,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:12,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:12,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:12,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:12,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:12,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:12,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:12,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:12,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:12,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:12,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:12,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:12,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:12,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:12,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:12,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:12,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:12,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:12,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:12,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:12,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:12,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:12,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:12,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:12,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:12,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:12,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:12,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:12,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:12,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:12,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:21:12,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:12,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:12,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:12,067 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:12,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:12,068 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:12,068 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:12,068 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:12,068 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:12,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:12,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:12,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:12,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:12,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:12,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:12,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:12,070 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:21:12,070 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:21:12,070 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:12,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:12,070 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:21:12,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:12,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:12,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:12,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:12,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:12,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:12,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:12,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:12,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:12,072 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:21:12,072 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:21:12,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:12,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:12,072 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan 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 -> Taipan 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 -> ba13ae03d66e26692285201b6dabc9984fe627f1 [2019-10-22 11:21:12,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:12,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:12,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:12,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:12,113 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:12,113 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-10-22 11:21:12,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data/b2d694dbb/8d17ab4243bd41f1bd4c99b73de2ca0d/FLAGde66e4dd1 [2019-10-22 11:21:12,557 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:12,558 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-10-22 11:21:12,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data/b2d694dbb/8d17ab4243bd41f1bd4c99b73de2ca0d/FLAGde66e4dd1 [2019-10-22 11:21:12,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/data/b2d694dbb/8d17ab4243bd41f1bd4c99b73de2ca0d [2019-10-22 11:21:12,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:12,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:12,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:12,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:12,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:12,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779fe928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12, skipping insertion in model container [2019-10-22 11:21:12,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,594 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:12,609 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:12,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:12,765 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:12,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:12,805 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:12,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12 WrapperNode [2019-10-22 11:21:12,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:12,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:12,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:12,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:12,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:12,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:12,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:12,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:12,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... [2019-10-22 11:21:12,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:12,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:12,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:12,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:12,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/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 [2019-10-22 11:21:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:21:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:21:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:21:13,295 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:13,296 INFO L284 CfgBuilder]: Removed 24 assume(true) statements. [2019-10-22 11:21:13,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:13 BoogieIcfgContainer [2019-10-22 11:21:13,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:13,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:13,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:13,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:13,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:12" (1/3) ... [2019-10-22 11:21:13,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f19be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:13, skipping insertion in model container [2019-10-22 11:21:13,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:12" (2/3) ... [2019-10-22 11:21:13,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f19be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:13, skipping insertion in model container [2019-10-22 11:21:13,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:13" (3/3) ... [2019-10-22 11:21:13,305 INFO L109 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2019-10-22 11:21:13,315 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:13,329 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:21:13,348 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:21:13,386 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:13,392 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:13,392 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:13,393 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:13,393 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:13,393 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:13,393 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:13,393 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-10-22 11:21:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 11:21:13,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:13,414 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:13,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:13,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:13,421 INFO L82 PathProgramCache]: Analyzing trace with hash 212109301, now seen corresponding path program 1 times [2019-10-22 11:21:13,428 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:13,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [399466508] [2019-10-22 11:21:13,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:13,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:13,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:13,551 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:13,561 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [399466508] [2019-10-22 11:21:13,562 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:13,562 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 11:21:13,562 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50218977] [2019-10-22 11:21:13,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:13,567 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:13,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:13,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:13,581 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2019-10-22 11:21:13,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:13,740 INFO L93 Difference]: Finished difference Result 181 states and 275 transitions. [2019-10-22 11:21:13,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:13,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-10-22 11:21:13,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:13,752 INFO L225 Difference]: With dead ends: 181 [2019-10-22 11:21:13,752 INFO L226 Difference]: Without dead ends: 125 [2019-10-22 11:21:13,755 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:13,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-22 11:21:13,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 47. [2019-10-22 11:21:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 11:21:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2019-10-22 11:21:13,792 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 8 [2019-10-22 11:21:13,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:13,793 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2019-10-22 11:21:13,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2019-10-22 11:21:13,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:21:13,794 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:13,794 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:13,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:13,995 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:13,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:13,995 INFO L82 PathProgramCache]: Analyzing trace with hash 780809593, now seen corresponding path program 1 times [2019-10-22 11:21:13,995 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:13,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [845520019] [2019-10-22 11:21:13,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:14,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 11:21:14,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:14,101 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:14,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [845520019] [2019-10-22 11:21:14,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351035073] [2019-10-22 11:21:14,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:14,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 11:21:14,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 11:21:14,237 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 11:21:14,281 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-10-22 11:21:14,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 12 [2019-10-22 11:21:14,281 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045967131] [2019-10-22 11:21:14,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:14,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:14,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:14,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:21:14,283 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand 6 states. [2019-10-22 11:21:14,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:14,408 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2019-10-22 11:21:14,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:21:14,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-10-22 11:21:14,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:14,410 INFO L225 Difference]: With dead ends: 94 [2019-10-22 11:21:14,410 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:21:14,411 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:21:14,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:21:14,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2019-10-22 11:21:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-10-22 11:21:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2019-10-22 11:21:14,419 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 12 [2019-10-22 11:21:14,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:14,420 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2019-10-22 11:21:14,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2019-10-22 11:21:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:21:14,421 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:14,421 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:14,824 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:14,824 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:14,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:14,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1692621165, now seen corresponding path program 1 times [2019-10-22 11:21:14,825 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:14,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1718795945] [2019-10-22 11:21:14,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:14,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 11:21:14,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 11:21:14,911 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 11:21:14,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1718795945] [2019-10-22 11:21:14,915 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:14,915 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-10-22 11:21:14,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661242964] [2019-10-22 11:21:14,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:14,916 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:14,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:14,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:14,918 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand 4 states. [2019-10-22 11:21:14,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:14,954 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2019-10-22 11:21:14,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:14,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-10-22 11:21:14,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:14,956 INFO L225 Difference]: With dead ends: 105 [2019-10-22 11:21:14,956 INFO L226 Difference]: Without dead ends: 78 [2019-10-22 11:21:14,958 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:21:14,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-22 11:21:14,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 54. [2019-10-22 11:21:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-10-22 11:21:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2019-10-22 11:21:14,968 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 23 [2019-10-22 11:21:14,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:14,969 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2019-10-22 11:21:14,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2019-10-22 11:21:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:21:14,970 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:14,970 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:15,170 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:15,171 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:15,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:15,171 INFO L82 PathProgramCache]: Analyzing trace with hash -510914359, now seen corresponding path program 1 times [2019-10-22 11:21:15,172 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:15,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [263544888] [2019-10-22 11:21:15,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:15,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 11:21:15,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:15,308 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:15,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [263544888] [2019-10-22 11:21:15,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523576047] [2019-10-22 11:21:15,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:15,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:21:15,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 11:21:15,448 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 11:21:15,467 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-10-22 11:21:15,468 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2019-10-22 11:21:15,468 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470148585] [2019-10-22 11:21:15,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:15,468 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:15,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:15,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:21:15,469 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand 4 states. [2019-10-22 11:21:15,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:15,545 INFO L93 Difference]: Finished difference Result 124 states and 154 transitions. [2019-10-22 11:21:15,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:15,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-10-22 11:21:15,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:15,548 INFO L225 Difference]: With dead ends: 124 [2019-10-22 11:21:15,548 INFO L226 Difference]: Without dead ends: 82 [2019-10-22 11:21:15,549 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:21:15,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-22 11:21:15,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 73. [2019-10-22 11:21:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 11:21:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2019-10-22 11:21:15,561 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 23 [2019-10-22 11:21:15,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:15,562 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2019-10-22 11:21:15,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2019-10-22 11:21:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:21:15,564 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:15,565 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:21:15,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:15,966 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:15,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:15,966 INFO L82 PathProgramCache]: Analyzing trace with hash -281206971, now seen corresponding path program 1 times [2019-10-22 11:21:15,966 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:15,967 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1682184611] [2019-10-22 11:21:15,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:16,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 11:21:16,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 11:21:16,088 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 11:21:16,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1682184611] [2019-10-22 11:21:16,130 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784652973] [2019-10-22 11:21:16,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:21:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:16,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 11:21:16,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 11:21:16,221 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 11:21:16,271 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-10-22 11:21:16,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 12 [2019-10-22 11:21:16,272 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456588321] [2019-10-22 11:21:16,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:21:16,272 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:16,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:21:16,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:21:16,273 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand 6 states. [2019-10-22 11:21:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:16,321 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2019-10-22 11:21:16,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:21:16,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-10-22 11:21:16,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:16,323 INFO L225 Difference]: With dead ends: 82 [2019-10-22 11:21:16,323 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:16,324 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:21:16,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:16,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:16,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-10-22 11:21:16,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:16,325 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:16,325 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:21:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:16,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:16,726 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:21:16,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L2-1(line 2) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L2-3(line 2) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L2-4(line 2) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L2-5(line 2) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L2-7(line 2) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L2-8(line 2) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L2-9(line 2) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L2-11(line 2) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L44-2(lines 44 48) no Hoare annotation was computed. [2019-10-22 11:21:16,999 INFO L443 ceAbstractionStarter]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2019-10-22 11:21:17,000 INFO L439 ceAbstractionStarter]: At program point L44-3(lines 44 48) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_elem_exists_~size) (bvslt ULTIMATE.start_main_~v~0 (_ bv100000 32)) (= (_ bv0 32) ULTIMATE.start_main_~n~0) (= ULTIMATE.start_elem_exists_~i~0 (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_main_~x~0)) [2019-10-22 11:21:17,000 INFO L439 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_elem_exists_~size) (bvslt ULTIMATE.start_main_~v~0 (_ bv100000 32)) (= (_ bv0 32) ULTIMATE.start_main_~n~0) (= ULTIMATE.start_elem_exists_~i~0 (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_main_~x~0)) [2019-10-22 11:21:17,000 INFO L443 ceAbstractionStarter]: For program point L11-4(lines 11 13) no Hoare annotation was computed. [2019-10-22 11:21:17,000 INFO L443 ceAbstractionStarter]: For program point L36-2(lines 36 39) no Hoare annotation was computed. [2019-10-22 11:21:17,000 INFO L439 ceAbstractionStarter]: At program point L36-3(lines 36 39) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_main_~n~0) (= (_ bv0 32) ULTIMATE.start_main_~x~0)) [2019-10-22 11:21:17,000 INFO L443 ceAbstractionStarter]: For program point L36-4(lines 36 39) no Hoare annotation was computed. [2019-10-22 11:21:17,000 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:17,000 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:17,000 INFO L443 ceAbstractionStarter]: For program point L28-2(lines 28 32) no Hoare annotation was computed. [2019-10-22 11:21:17,000 INFO L439 ceAbstractionStarter]: At program point L28-3(lines 28 32) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_main_~n~0) (= (_ bv0 32) ULTIMATE.start_main_~x~0)) [2019-10-22 11:21:17,000 INFO L443 ceAbstractionStarter]: For program point L28-4(lines 28 32) no Hoare annotation was computed. [2019-10-22 11:21:17,001 INFO L443 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2019-10-22 11:21:17,001 INFO L443 ceAbstractionStarter]: For program point L45-2(lines 45 47) no Hoare annotation was computed. [2019-10-22 11:21:17,001 INFO L439 ceAbstractionStarter]: At program point L45-3(lines 45 47) the Hoare annotation is: false [2019-10-22 11:21:17,001 INFO L443 ceAbstractionStarter]: For program point L29-2(lines 29 31) no Hoare annotation was computed. [2019-10-22 11:21:17,001 INFO L439 ceAbstractionStarter]: At program point L29-3(lines 29 31) the Hoare annotation is: false [2019-10-22 11:21:17,001 INFO L446 ceAbstractionStarter]: At program point L55(lines 16 56) the Hoare annotation is: true [2019-10-22 11:21:17,001 INFO L443 ceAbstractionStarter]: For program point L22-2(lines 22 25) no Hoare annotation was computed. [2019-10-22 11:21:17,001 INFO L439 ceAbstractionStarter]: At program point L22-3(lines 22 25) the Hoare annotation is: (= (_ bv0 32) ULTIMATE.start_main_~n~0) [2019-10-22 11:21:17,001 INFO L443 ceAbstractionStarter]: For program point L22-4(lines 22 25) no Hoare annotation was computed. [2019-10-22 11:21:17,001 INFO L439 ceAbstractionStarter]: At program point L14(lines 9 15) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_elem_exists_~size) (= |ULTIMATE.start_elem_exists_#res| (_ bv0 32)) (bvslt ULTIMATE.start_main_~v~0 (_ bv100000 32)) (= (_ bv0 32) ULTIMATE.start_main_~n~0) (= ULTIMATE.start_elem_exists_~i~0 (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start_main_~x~0)) [2019-10-22 11:21:17,001 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-10-22 11:21:17,001 INFO L439 ceAbstractionStarter]: At program point L7(lines 5 8) the Hoare annotation is: false [2019-10-22 11:21:17,001 INFO L443 ceAbstractionStarter]: For program point L40-2(lines 40 49) no Hoare annotation was computed. [2019-10-22 11:21:17,001 INFO L439 ceAbstractionStarter]: At program point L40-3(lines 40 49) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ULTIMATE.start_main_~n~0)) (.cse1 (= (_ bv0 32) ULTIMATE.start_main_~x~0))) (or (and (= (_ bv0 32) ULTIMATE.start_elem_exists_~size) .cse0 (= ULTIMATE.start_elem_exists_~i~0 (_ bv0 32)) .cse1) (and (= (_ bv0 32) ULTIMATE.start_main_~v~0) .cse0 .cse1))) [2019-10-22 11:21:17,001 INFO L443 ceAbstractionStarter]: For program point L40-4(lines 40 49) no Hoare annotation was computed. [2019-10-22 11:21:17,002 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:21:17,002 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-10-22 11:21:17,002 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 43) no Hoare annotation was computed. [2019-10-22 11:21:17,002 INFO L443 ceAbstractionStarter]: For program point L41-2(lines 41 43) no Hoare annotation was computed. [2019-10-22 11:21:17,002 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:17,002 INFO L443 ceAbstractionStarter]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2019-10-22 11:21:17,002 INFO L439 ceAbstractionStarter]: At program point L50-3(lines 50 54) the Hoare annotation is: (and (= (_ bv0 32) ULTIMATE.start_main_~n~0) (= (_ bv0 32) ULTIMATE.start_main_~x~0)) [2019-10-22 11:21:17,002 INFO L443 ceAbstractionStarter]: For program point L50-4(lines 50 54) no Hoare annotation was computed. [2019-10-22 11:21:17,005 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-10-22 11:21:17,005 INFO L443 ceAbstractionStarter]: For program point L51-2(lines 51 53) no Hoare annotation was computed. [2019-10-22 11:21:17,005 INFO L439 ceAbstractionStarter]: At program point L51-3(lines 51 53) the Hoare annotation is: false [2019-10-22 11:21:17,005 INFO L443 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed. [2019-10-22 11:21:17,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:17 BoogieIcfgContainer [2019-10-22 11:21:17,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:17,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:17,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:17,021 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:17,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:13" (3/4) ... [2019-10-22 11:21:17,025 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:17,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-10-22 11:21:17,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:21:17,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:21:17,060 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == size && \result == 0bv32) && ~bvslt32(v, 100000bv32)) && 0bv32 == n) && i == 0bv32) && 0bv32 == x [2019-10-22 11:21:17,095 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1d3a30b9-6947-4c28-a9ec-51fdcd9138a0/bin/utaipan/witness.graphml [2019-10-22 11:21:17,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:17,099 INFO L168 Benchmark]: Toolchain (without parser) took 4519.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 951.0 MB in the beginning and 891.6 MB in the end (delta: 59.4 MB). Peak memory consumption was 225.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:17,100 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:17,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.04 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:17,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -214.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:17,101 INFO L168 Benchmark]: Boogie Preprocessor took 33.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:17,101 INFO L168 Benchmark]: RCFGBuilder took 360.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:17,101 INFO L168 Benchmark]: TraceAbstraction took 3721.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.6 MB in the end (delta: 236.3 MB). Peak memory consumption was 236.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:17,101 INFO L168 Benchmark]: Witness Printer took 77.01 ms. Allocated memory is still 1.2 GB. Free memory is still 891.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:17,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 225.04 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 940.2 MB in the beginning and 1.2 GB in the end (delta: -214.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 360.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3721.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.6 MB in the end (delta: 236.3 MB). Peak memory consumption was 236.3 MB. Max. memory is 11.5 GB. * Witness Printer took 77.01 ms. Allocated memory is still 1.2 GB. Free memory is still 891.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0bv32 == n && 0bv32 == x - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((0bv32 == size && 0bv32 == n) && i == 0bv32) && 0bv32 == x) || ((0bv32 == v && 0bv32 == n) && 0bv32 == x) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((0bv32 == size && ~bvslt32(v, 100000bv32)) && 0bv32 == n) && i == 0bv32) && 0bv32 == x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0bv32 == n - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((0bv32 == size && ~bvslt32(v, 100000bv32)) && 0bv32 == n) && i == 0bv32) && 0bv32 == x - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0bv32 == n && 0bv32 == x - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: ((((0bv32 == size && \result == 0bv32) && ~bvslt32(v, 100000bv32)) && 0bv32 == n) && i == 0bv32) && 0bv32 == x - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0bv32 == n && 0bv32 == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 207 SDtfs, 298 SDslu, 270 SDs, 0 SdLazy, 107 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 29 NumberOfFragments, 106 HoareAnnotationTreeSize, 13 FomulaSimplifications, 121 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 39 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 10747 SizeOfPredicates, 12 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 48/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...