./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/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 08947af3b6f9b8a272faa540a059213a9b1de888 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/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 08947af3b6f9b8a272faa540a059213a9b1de888 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:29:34,962 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:29:34,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:29:34,973 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:29:34,973 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:29:34,974 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:29:34,975 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:29:34,977 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:29:34,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:29:34,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:29:34,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:29:34,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:29:34,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:29:34,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:29:34,988 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:29:34,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:29:34,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:29:34,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:29:35,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:29:35,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:29:35,004 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:29:35,006 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:29:35,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:29:35,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:29:35,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:29:35,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:29:35,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:29:35,010 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:29:35,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:29:35,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:29:35,016 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:29:35,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:29:35,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:29:35,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:29:35,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:29:35,021 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:29:35,022 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:29:35,039 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:29:35,043 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:29:35,044 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:29:35,044 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:29:35,044 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:29:35,045 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:29:35,045 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:29:35,045 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:29:35,045 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:29:35,045 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:29:35,046 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:29:35,046 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:29:35,046 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:29:35,046 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:29:35,047 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:29:35,047 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:29:35,047 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:29:35,047 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:29:35,047 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:29:35,047 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:29:35,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:29:35,048 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:29:35,048 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:29:35,048 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:29:35,048 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:29:35,048 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:29:35,048 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:29:35,049 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:29:35,049 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:29:35,052 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:29:35,052 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:29:35,052 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:29:35,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:29:35,053 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:29:35,053 INFO L133 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_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/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 -> 08947af3b6f9b8a272faa540a059213a9b1de888 [2018-10-27 00:29:35,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:29:35,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:29:35,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:29:35,092 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:29:35,092 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:29:35,093 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float22_true-unreach-call_true-termination.i [2018-10-27 00:29:35,144 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data/65d7aa520/e7bae6382a2c4c188bb7050deda808da/FLAGed98a98ad [2018-10-27 00:29:35,505 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:29:35,506 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/sv-benchmarks/c/floats-cbmc-regression/float22_true-unreach-call_true-termination.i [2018-10-27 00:29:35,512 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data/65d7aa520/e7bae6382a2c4c188bb7050deda808da/FLAGed98a98ad [2018-10-27 00:29:35,526 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data/65d7aa520/e7bae6382a2c4c188bb7050deda808da [2018-10-27 00:29:35,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:29:35,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:29:35,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:29:35,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:29:35,534 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:29:35,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c869f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35, skipping insertion in model container [2018-10-27 00:29:35,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:29:35,569 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:29:35,710 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:29:35,712 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:29:35,739 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:29:35,759 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:29:35,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35 WrapperNode [2018-10-27 00:29:35,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:29:35,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:29:35,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:29:35,760 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:29:35,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:29:35,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:29:35,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:29:35,812 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:29:35,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... [2018-10-27 00:29:35,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:29:35,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:29:35,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:29:35,857 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:29:35,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/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 [2018-10-27 00:29:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure testOne [2018-10-27 00:29:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure testOne [2018-10-27 00:29:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2018-10-27 00:29:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2018-10-27 00:29:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure testThree [2018-10-27 00:29:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure testThree [2018-10-27 00:29:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:29:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:29:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure testTwo [2018-10-27 00:29:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure testTwo [2018-10-27 00:29:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:29:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:29:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2018-10-27 00:29:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2018-10-27 00:29:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:29:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:29:36,819 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:29:36,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:29:36 BoogieIcfgContainer [2018-10-27 00:29:36,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:29:36,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:29:36,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:29:36,823 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:29:36,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:29:35" (1/3) ... [2018-10-27 00:29:36,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435042a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:29:36, skipping insertion in model container [2018-10-27 00:29:36,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:35" (2/3) ... [2018-10-27 00:29:36,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435042a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:29:36, skipping insertion in model container [2018-10-27 00:29:36,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:29:36" (3/3) ... [2018-10-27 00:29:36,826 INFO L112 eAbstractionObserver]: Analyzing ICFG float22_true-unreach-call_true-termination.i [2018-10-27 00:29:36,835 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:29:36,841 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 00:29:36,854 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 00:29:36,895 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:29:36,895 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:29:36,895 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:29:36,895 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:29:36,896 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:29:36,896 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:29:36,896 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:29:36,896 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:29:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-27 00:29:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 00:29:36,919 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:29:36,919 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:29:36,921 INFO L424 AbstractCegarLoop]: === Iteration 1 === [testOneErr0ASSERT_VIOLATIONERROR_FUNCTION, testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr1ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:29:36,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:29:36,926 INFO L82 PathProgramCache]: Analyzing trace with hash -21800832, now seen corresponding path program 1 times [2018-10-27 00:29:36,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:29:36,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:29:36,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:29:36,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:29:36,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:29:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:29:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:29:37,187 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:29:37,199 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,201 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,201 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2018-10-27 00:29:37,202 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:29:37,202 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,202 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,203 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2018-10-27 00:29:37,203 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,203 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2018-10-27 00:29:37,203 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:29:37,203 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,204 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,204 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2018-10-27 00:29:37,204 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:29:37,204 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,205 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,207 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2018-10-27 00:29:37,207 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,207 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2018-10-27 00:29:37,207 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:29:37,208 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,208 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled [2018-10-27 00:29:37,208 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled [2018-10-27 00:29:37,208 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,208 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,209 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled [2018-10-27 00:29:37,209 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,209 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,210 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,210 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2018-10-27 00:29:37,210 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:29:37,210 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,210 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,211 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2018-10-27 00:29:37,213 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,214 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2018-10-27 00:29:37,214 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:29:37,214 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,215 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,215 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2018-10-27 00:29:37,215 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:29:37,215 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,215 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,216 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2018-10-27 00:29:37,216 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2018-10-27 00:29:37,216 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2018-10-27 00:29:37,216 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:29:37,216 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,217 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2018-10-27 00:29:37,217 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2018-10-27 00:29:37,217 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2018-10-27 00:29:37,217 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,218 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,218 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,218 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,218 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,219 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,222 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,223 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:29:37,229 WARN L1239 BoogieBacktranslator]: unknown boogie variable #res.ieee.exponent [2018-10-27 00:29:37,231 WARN L1239 BoogieBacktranslator]: unknown boogie variable #res.ieee.mantissa [2018-10-27 00:29:37,231 WARN L1239 BoogieBacktranslator]: unknown boogie variable #res.ieee.negative [2018-10-27 00:29:37,231 WARN L1239 BoogieBacktranslator]: unknown boogie variable #res.ieee.exponent [2018-10-27 00:29:37,232 WARN L1239 BoogieBacktranslator]: unknown boogie variable #res.ieee.mantissa [2018-10-27 00:29:37,232 WARN L1239 BoogieBacktranslator]: unknown boogie variable #res.ieee.negative [2018-10-27 00:29:37,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:29:37 BoogieIcfgContainer [2018-10-27 00:29:37,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:29:37,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:29:37,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:29:37,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:29:37,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:29:36" (3/4) ... [2018-10-27 00:29:37,246 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:29:37,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:29:37,246 INFO L168 Benchmark]: Toolchain (without parser) took 1717.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -112.0 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:29:37,249 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:29:37,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 947.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:29:37,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.29 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:29:37,250 INFO L168 Benchmark]: Boogie Preprocessor took 43.96 ms. Allocated memory is still 1.0 GB. Free memory was 944.5 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:29:37,252 INFO L168 Benchmark]: RCFGBuilder took 962.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:29:37,252 INFO L168 Benchmark]: TraceAbstraction took 420.13 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:29:37,253 INFO L168 Benchmark]: Witness Printer took 5.33 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. [2018-10-27 00:29:37,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 947.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.29 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.96 ms. Allocated memory is still 1.0 GB. Free memory was 944.5 MB in the beginning and 941.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 962.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 420.13 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: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.33 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.exponent - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.mantissa - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.negative - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.exponent - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.mantissa - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.negative * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 133]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 119. Possible FailurePath: [L168] CALL testOne() [L128] CALL ieee754_float f1, f2; [L128] RET ieee754_float f1, f2; [L128] RET ieee754_float f1, f2; [L130] CALL, EXPR returnsStructure(0) [L117] CALL ieee754_float c; [L117] RET ieee754_float c; [L119] CALL c.ieee.negative = index & 0x1 [L119] RET c.ieee.negative = index & 0x1 [L120] CALL c.ieee.exponent = 0 [L120] RET c.ieee.exponent = 0 [L121] CALL c.ieee.mantissa = 0 [L121] RET c.ieee.mantissa = 0 [L123] CALL return c; [L123] RET return c; [L123] RET return c; [L123] RET return c; [L123] RET return c; [L123] RET return c; VAL [unknown-#res.ieee.exponent-unknown=0, unknown-#res.ieee.mantissa-unknown=0, unknown-#res.ieee.negative-unknown=0] [L130] EXPR returnsStructure(0) VAL [returnsStructure(0)=0returnsStructure(0)=0returnsStructure(0)=0] [L130] CALL f1 = returnsStructure(0) [L130] RET f1 = returnsStructure(0) [L130] RET f1 = returnsStructure(0) [L130] RET f1 = returnsStructure(0) [L130] RET f1 = returnsStructure(0) [L131] CALL, EXPR returnsStructure(1) [L117] CALL ieee754_float c; [L117] RET ieee754_float c; [L119] CALL c.ieee.negative = index & 0x1 [L119] RET c.ieee.negative = index & 0x1 [L120] CALL c.ieee.exponent = 0 [L120] RET c.ieee.exponent = 0 [L121] CALL c.ieee.mantissa = 0 [L121] RET c.ieee.mantissa = 0 [L123] CALL return c; [L123] RET return c; [L123] RET return c; [L123] RET return c; [L123] RET return c; [L123] RET return c; VAL [unknown-#res.ieee.exponent-unknown=0, unknown-#res.ieee.mantissa-unknown=0, unknown-#res.ieee.negative-unknown=0] [L131] EXPR returnsStructure(1) VAL [returnsStructure(1)=0returnsStructure(1)=0returnsStructure(1)=0] [L131] CALL f2 = returnsStructure(1) [L131] RET f2 = returnsStructure(1) [L131] RET f2 = returnsStructure(1) [L131] RET f2 = returnsStructure(1) [L131] RET f2 = returnsStructure(1) [L133] CALL, EXPR f1.ieee.negative [L133] RET, EXPR f1.ieee.negative [L133] CALL, EXPR f2.ieee.negative [L133] RET, EXPR f2.ieee.negative [L133] COND TRUE !(f1.ieee.negative != f2.ieee.negative) [L133] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 4 error locations. UNSAFE Result, 0.3s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:29:39,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:29:39,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:29:39,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:29:39,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:29:39,270 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:29:39,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:29:39,275 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:29:39,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:29:39,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:29:39,277 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:29:39,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:29:39,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:29:39,280 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:29:39,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:29:39,282 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:29:39,283 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:29:39,290 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:29:39,291 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:29:39,293 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:29:39,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:29:39,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:29:39,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:29:39,300 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:29:39,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:29:39,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:29:39,302 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:29:39,303 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:29:39,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:29:39,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:29:39,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:29:39,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:29:39,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:29:39,308 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:29:39,308 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:29:39,309 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:29:39,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 00:29:39,322 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:29:39,322 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:29:39,323 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:29:39,323 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:29:39,323 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:29:39,323 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:29:39,324 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:29:39,324 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:29:39,324 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:29:39,325 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:29:39,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:29:39,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:29:39,325 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:29:39,325 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:29:39,325 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:29:39,325 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:29:39,326 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:29:39,326 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:29:39,326 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:29:39,326 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:29:39,326 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:29:39,326 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:29:39,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:29:39,327 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:29:39,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:29:39,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:29:39,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:29:39,327 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:29:39,327 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 00:29:39,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:29:39,328 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:29:39,328 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:29:39,328 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/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 -> 08947af3b6f9b8a272faa540a059213a9b1de888 [2018-10-27 00:29:39,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:29:39,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:29:39,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:29:39,385 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:29:39,385 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:29:39,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float22_true-unreach-call_true-termination.i [2018-10-27 00:29:39,431 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data/498eb5726/0afeb1fdd9bd4d4398a8abbc6936eb92/FLAG4e667825e [2018-10-27 00:29:39,817 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:29:39,818 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/sv-benchmarks/c/floats-cbmc-regression/float22_true-unreach-call_true-termination.i [2018-10-27 00:29:39,824 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data/498eb5726/0afeb1fdd9bd4d4398a8abbc6936eb92/FLAG4e667825e [2018-10-27 00:29:39,838 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/data/498eb5726/0afeb1fdd9bd4d4398a8abbc6936eb92 [2018-10-27 00:29:39,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:29:39,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:29:39,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:29:39,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:29:39,846 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:29:39,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:29:39" (1/1) ... [2018-10-27 00:29:39,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d18dd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:39, skipping insertion in model container [2018-10-27 00:29:39,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:29:39" (1/1) ... [2018-10-27 00:29:39,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:29:39,886 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:29:40,061 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:29:40,066 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:29:40,099 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:29:40,120 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:29:40,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40 WrapperNode [2018-10-27 00:29:40,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:29:40,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:29:40,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:29:40,122 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:29:40,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:29:40,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:29:40,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:29:40,199 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:29:40,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... [2018-10-27 00:29:40,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:29:40,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:29:40,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:29:40,264 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:29:40,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/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 [2018-10-27 00:29:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure testOne [2018-10-27 00:29:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure testOne [2018-10-27 00:29:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2018-10-27 00:29:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2018-10-27 00:29:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure testThree [2018-10-27 00:29:40,443 INFO L138 BoogieDeclarations]: Found implementation of procedure testThree [2018-10-27 00:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:29:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure testTwo [2018-10-27 00:29:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure testTwo [2018-10-27 00:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:29:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:29:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2018-10-27 00:29:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2018-10-27 00:29:40,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:29:40,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:29:40,724 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:29:40,758 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:29:40,886 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:29:40,905 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:29:41,060 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:29:41,104 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:29:41,121 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:29:41,128 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:29:41,133 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:29:41,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:29:41 BoogieIcfgContainer [2018-10-27 00:29:41,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:29:41,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:29:41,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:29:41,137 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:29:41,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:29:39" (1/3) ... [2018-10-27 00:29:41,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52630385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:29:41, skipping insertion in model container [2018-10-27 00:29:41,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:29:40" (2/3) ... [2018-10-27 00:29:41,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52630385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:29:41, skipping insertion in model container [2018-10-27 00:29:41,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:29:41" (3/3) ... [2018-10-27 00:29:41,141 INFO L112 eAbstractionObserver]: Analyzing ICFG float22_true-unreach-call_true-termination.i [2018-10-27 00:29:41,150 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:29:41,161 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 00:29:41,174 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 00:29:41,199 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:29:41,200 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:29:41,200 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:29:41,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:29:41,200 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:29:41,200 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:29:41,200 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:29:41,200 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:29:41,201 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:29:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-27 00:29:41,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 00:29:41,218 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:29:41,219 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:29:41,221 INFO L424 AbstractCegarLoop]: === Iteration 1 === [testOneErr0ASSERT_VIOLATIONERROR_FUNCTION, testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:29:41,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:29:41,235 INFO L82 PathProgramCache]: Analyzing trace with hash -21800832, now seen corresponding path program 1 times [2018-10-27 00:29:41,238 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:29:41,238 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-27 00:29:41,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:29:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:41,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:29:41,591 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:41,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-10-27 00:29:41,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-10-27 00:29:41,608 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:41,658 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:41,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:41,666 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:15 [2018-10-27 00:29:41,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-10-27 00:29:41,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-10-27 00:29:41,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-27 00:29:41,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-10-27 00:29:41,823 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:41,826 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:41,828 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:41,831 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:41,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:41,879 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:33 [2018-10-27 00:29:42,019 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:42,023 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:42,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:42,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-10-27 00:29:42,028 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:42,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:42,064 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:29 [2018-10-27 00:29:42,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:29:42,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:29:42,143 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:42,146 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:42,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:42,163 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:46, output treesize:47 [2018-10-27 00:29:42,407 WARN L854 $PredicateComparison]: unable to prove that (exists ((|returnsStructure_write~intINTTYPE4_#value| (_ BitVec 32)) (|returnsStructure_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (select |c_old(#valid)| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 1)) (= (store |c_old(#memory_int)| |returnsStructure_write~intINTTYPE4_#ptr.base| (store (store (store (select |c_old(#memory_int)| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 32) (bvand (bvand |c_returnsStructure_#in~index| (_ bv1 32)) (_ bv1 32))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) |returnsStructure_write~intINTTYPE4_#value|)) |c_#memory_int|))) is different from true [2018-10-27 00:29:42,424 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:42,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:42,431 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 00:29:42,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2018-10-27 00:29:42,433 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:42,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-10-27 00:29:42,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-27 00:29:42,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:42,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 25 [2018-10-27 00:29:42,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2018-10-27 00:29:42,551 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:42,567 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:42,611 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:42,627 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:42,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:42,669 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:90, output treesize:72 [2018-10-27 00:29:43,083 WARN L179 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2018-10-27 00:29:43,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 61 [2018-10-27 00:29:43,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-10-27 00:29:43,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:43,117 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:43,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 12 [2018-10-27 00:29:43,119 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:43,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:43,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:43,198 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:106, output treesize:25 [2018-10-27 00:29:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-10-27 00:29:43,231 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 00:29:43,456 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-10-27 00:29:43,576 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-10-27 00:29:43,747 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-27 00:29:43,906 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-27 00:29:46,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:29:46,202 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 00:29:46,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:29:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:46,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:29:46,300 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:46,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-10-27 00:29:46,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-10-27 00:29:46,315 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,374 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:18 [2018-10-27 00:29:46,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-10-27 00:29:46,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-10-27 00:29:46,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-27 00:29:46,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-10-27 00:29:46,448 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,464 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,467 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,469 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,477 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:46,477 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:33 [2018-10-27 00:29:46,494 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:46,496 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:46,497 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:46,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-10-27 00:29:46,499 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:46,517 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:30 [2018-10-27 00:29:46,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:29:46,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:29:46,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,759 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:46,776 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:49, output treesize:50 [2018-10-27 00:29:46,846 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:46,848 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:46,850 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 00:29:46,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2018-10-27 00:29:46,852 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:46,933 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:46,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 58 [2018-10-27 00:29:46,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-10-27 00:29:46,955 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:46,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2018-10-27 00:29:47,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 38 [2018-10-27 00:29:47,005 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:47,022 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:47,036 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:47,055 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:47,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:47,095 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:93, output treesize:71 [2018-10-27 00:29:47,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:47,239 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:47,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 65 [2018-10-27 00:29:47,258 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:47,269 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2018-10-27 00:29:47,272 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-27 00:29:47,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-10-27 00:29:47,296 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:47,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:47,339 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:47,339 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 9 variables, input treesize:100, output treesize:25 [2018-10-27 00:29:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-10-27 00:29:47,343 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 00:29:47,537 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-10-27 00:29:47,649 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-10-27 00:29:47,787 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-27 00:29:47,913 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-27 00:29:52,485 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 00:29:52,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2018-10-27 00:29:52,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-27 00:29:52,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-27 00:29:52,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=4, NotChecked=32, Total=342 [2018-10-27 00:29:52,500 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 15 states. [2018-10-27 00:29:53,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:29:53,646 INFO L93 Difference]: Finished difference Result 104 states and 121 transitions. [2018-10-27 00:29:53,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 00:29:53,648 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 19 [2018-10-27 00:29:53,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:29:53,654 INFO L225 Difference]: With dead ends: 104 [2018-10-27 00:29:53,654 INFO L226 Difference]: Without dead ends: 49 [2018-10-27 00:29:53,657 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=79, Invalid=340, Unknown=5, NotChecked=38, Total=462 [2018-10-27 00:29:53,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-10-27 00:29:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-10-27 00:29:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-10-27 00:29:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-10-27 00:29:53,702 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 19 [2018-10-27 00:29:53,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:29:53,704 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-10-27 00:29:53,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-27 00:29:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-10-27 00:29:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 00:29:53,706 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:29:53,706 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:29:53,706 INFO L424 AbstractCegarLoop]: === Iteration 2 === [testOneErr0ASSERT_VIOLATIONERROR_FUNCTION, testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:29:53,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:29:53,707 INFO L82 PathProgramCache]: Analyzing trace with hash -632269727, now seen corresponding path program 1 times [2018-10-27 00:29:53,709 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:29:53,709 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-27 00:29:53,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:29:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:54,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:29:54,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-10-27 00:29:54,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-10-27 00:29:54,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,079 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:15 [2018-10-27 00:29:54,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-10-27 00:29:54,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-10-27 00:29:54,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-27 00:29:54,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-10-27 00:29:54,223 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,225 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,227 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,229 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:54,236 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:33 [2018-10-27 00:29:54,258 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,260 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,261 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-10-27 00:29:54,263 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:54,280 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:28 [2018-10-27 00:29:54,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:29:54,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:29:54,366 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,372 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:54,386 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:44 [2018-10-27 00:29:54,472 WARN L854 $PredicateComparison]: unable to prove that (exists ((|returnsStructure_write~intINTTYPE4_#value| (_ BitVec 32)) (|returnsStructure_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (and (= |c_returnsStructure_#res.f| (let ((.cse0 (select (select |c_#memory_int| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (select |c_old(#valid)| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 1)) (= (store |c_old(#memory_int)| |returnsStructure_write~intINTTYPE4_#ptr.base| (store (store (store (select |c_old(#memory_int)| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 32) (bvand (bvand |c_returnsStructure_#in~index| (_ bv1 32)) (_ bv1 32))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) |returnsStructure_write~intINTTYPE4_#value|)) |c_#memory_int|))) is different from true [2018-10-27 00:29:54,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,486 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,490 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,494 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 21 [2018-10-27 00:29:54,495 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-10-27 00:29:54,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-27 00:29:54,662 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 25 [2018-10-27 00:29:54,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2018-10-27 00:29:54,687 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,702 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,714 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,733 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:54,776 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:87, output treesize:72 [2018-10-27 00:29:54,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 61 [2018-10-27 00:29:54,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-10-27 00:29:54,894 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:54,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 12 [2018-10-27 00:29:54,914 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:54,935 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:104, output treesize:25 [2018-10-27 00:29:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 2 not checked. [2018-10-27 00:29:54,966 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 00:29:55,163 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-10-27 00:29:55,280 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-10-27 00:29:55,453 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-27 00:29:55,628 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-27 00:29:58,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:29:58,196 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 00:29:58,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:29:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:58,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:29:58,324 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-10-27 00:29:58,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-10-27 00:29:58,328 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,340 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,340 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:15 [2018-10-27 00:29:58,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-10-27 00:29:58,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-10-27 00:29:58,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-27 00:29:58,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-10-27 00:29:58,368 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,370 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,373 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:58,384 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:33 [2018-10-27 00:29:58,391 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,392 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-10-27 00:29:58,395 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:58,415 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:28 [2018-10-27 00:29:58,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:29:58,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:29:58,428 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,432 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,448 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:58,448 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:44 [2018-10-27 00:29:58,465 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,468 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,478 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,481 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-10-27 00:29:58,483 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-10-27 00:29:58,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-27 00:29:58,597 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:58,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 25 [2018-10-27 00:29:58,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2018-10-27 00:29:58,634 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,695 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,709 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,733 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:58,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:29:58,829 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:89, output treesize:72 [2018-10-27 00:29:59,087 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2018-10-27 00:29:59,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 61 [2018-10-27 00:29:59,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-10-27 00:29:59,107 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:59,132 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:29:59,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 12 [2018-10-27 00:29:59,133 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 00:29:59,142 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:59,158 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:29:59,158 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 10 variables, input treesize:104, output treesize:25 [2018-10-27 00:29:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 2 not checked. [2018-10-27 00:29:59,163 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 00:29:59,360 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-10-27 00:29:59,477 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-10-27 00:29:59,685 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-27 00:29:59,866 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-27 00:30:06,560 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 00:30:06,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2018-10-27 00:30:06,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 00:30:06,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 00:30:06,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=146, Unknown=5, NotChecked=24, Total=210 [2018-10-27 00:30:06,561 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 11 states. [2018-10-27 00:30:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:30:07,368 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-10-27 00:30:07,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 00:30:07,369 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2018-10-27 00:30:07,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:30:07,370 INFO L225 Difference]: With dead ends: 49 [2018-10-27 00:30:07,371 INFO L226 Difference]: Without dead ends: 47 [2018-10-27 00:30:07,371 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=55, Invalid=215, Unknown=6, NotChecked=30, Total=306 [2018-10-27 00:30:07,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-10-27 00:30:07,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-10-27 00:30:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-10-27 00:30:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2018-10-27 00:30:07,380 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 35 [2018-10-27 00:30:07,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:30:07,380 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2018-10-27 00:30:07,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 00:30:07,380 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2018-10-27 00:30:07,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:30:07,381 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:30:07,381 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:30:07,382 INFO L424 AbstractCegarLoop]: === Iteration 3 === [testOneErr0ASSERT_VIOLATIONERROR_FUNCTION, testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:30:07,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:30:07,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1042279782, now seen corresponding path program 1 times [2018-10-27 00:30:07,382 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:30:07,383 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-27 00:30:07,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:30:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:07,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:30:07,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-10-27 00:30:07,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-10-27 00:30:08,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-27 00:30:08,138 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 00:30:08,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-10-27 00:30:08,181 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,203 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,232 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,260 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,263 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:60, output treesize:21 [2018-10-27 00:30:08,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-10-27 00:30:08,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-27 00:30:08,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,295 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,295 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:16, output treesize:17 [2018-10-27 00:30:08,316 WARN L854 $PredicateComparison]: unable to prove that (exists ((|returnsStructure_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (and (= (select |c_old(#valid)| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 1)) (= (store |c_old(#valid)| |returnsStructure_write~intINTTYPE4_#ptr.base| (_ bv0 1)) |c_#valid|))) is different from true [2018-10-27 00:30:08,321 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,322 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-10-27 00:30:08,351 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,363 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:08,363 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:23 [2018-10-27 00:30:08,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 18 [2018-10-27 00:30:08,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-10-27 00:30:08,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-10-27 00:30:08,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 26 [2018-10-27 00:30:08,414 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,424 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,434 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,444 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:08,461 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:51 [2018-10-27 00:30:08,464 WARN L854 $PredicateComparison]: unable to prove that (exists ((|returnsStructure_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int| |returnsStructure_write~intINTTYPE4_#ptr.base|))) (let ((.cse0 (select .cse1 (_ bv0 32)))) (and (= |c_returnsStructure_#res.f| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= (select |c_old(#valid)| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 1)) (= (store |c_old(#valid)| |returnsStructure_write~intINTTYPE4_#ptr.base| (_ bv0 1)) |c_#valid|) (= (_ bv0 32) (select .cse1 (_ bv4 32))) (= (bvand (bvand |c_returnsStructure_#in~index| (_ bv1 32)) (_ bv1 32)) .cse0))))) is different from true [2018-10-27 00:30:08,493 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,501 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,503 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 00:30:08,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 51 [2018-10-27 00:30:08,504 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:08,537 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:08,537 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:69, output treesize:65 [2018-10-27 00:30:08,643 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 60 [2018-10-27 00:30:08,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-10-27 00:30:08,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-10-27 00:30:08,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 42 [2018-10-27 00:30:08,911 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2018-10-27 00:30:08,918 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:08,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2018-10-27 00:30:08,941 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-10-27 00:30:08,942 WARN L288 Elim1Store]: Array PQE input equivalent to false [2018-10-27 00:30:08,942 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 14 [2018-10-27 00:30:09,066 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-10-27 00:30:09,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 12 [2018-10-27 00:30:09,111 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-10-27 00:30:09,124 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,129 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,132 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,150 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:09,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 12 [2018-10-27 00:30:09,151 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,159 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,162 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:09,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2018-10-27 00:30:09,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-10-27 00:30:09,172 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,187 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:09,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 12 [2018-10-27 00:30:09,188 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,194 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-10-27 00:30:09,223 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:92, output treesize:82 [2018-10-27 00:30:09,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-10-27 00:30:09,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-10-27 00:30:09,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-27 00:30:09,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-10-27 00:30:09,363 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,372 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,374 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,381 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:09,382 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:33 [2018-10-27 00:30:09,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 44 [2018-10-27 00:30:09,476 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:09,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:09,798 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:46, output treesize:40 [2018-10-27 00:30:09,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:30:10,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:30:10,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:10,069 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:52, output treesize:53 [2018-10-27 00:30:10,144 WARN L854 $PredicateComparison]: unable to prove that (exists ((|returnsField_write~intINTTYPE4_#ptr.base| (_ BitVec 32)) (|returnsField_write~intINTTYPE4_#value| (_ BitVec 32))) (and (= (select |c_old(#valid)| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 1)) (= (store |c_old(#memory_int)| |returnsField_write~intINTTYPE4_#ptr.base| (store (store (store (select |c_old(#memory_int)| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 32) (bvand (bvand |c_returnsField_#in~index| (_ bv1 32)) (_ bv1 32))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) |returnsField_write~intINTTYPE4_#value|)) |c_#memory_int|) (= (let ((.cse0 (select (select |c_#memory_int| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) |c_returnsField_#res|))) is different from true [2018-10-27 00:30:10,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2018-10-27 00:30:10,159 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,235 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:10,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 58 [2018-10-27 00:30:10,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-10-27 00:30:10,257 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:10,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2018-10-27 00:30:10,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 38 [2018-10-27 00:30:10,276 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,293 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,305 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,332 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:10,404 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:96, output treesize:74 [2018-10-27 00:30:10,533 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:10,535 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:10,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 65 [2018-10-27 00:30:10,546 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2018-10-27 00:30:10,547 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 00:30:10,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:10,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 12 [2018-10-27 00:30:10,571 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:10,592 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:89, output treesize:25 [2018-10-27 00:30:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 8 not checked. [2018-10-27 00:30:10,626 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 00:30:11,006 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-27 00:30:11,123 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-27 00:30:13,141 WARN L832 $PredicateComparison]: unable to prove that (forall ((|v_returnsField_#Ultimate.alloc_#res.base_4| (_ BitVec 32)) (|v_returnsField_write~intINTTYPE4_#value_6| (_ BitVec 32)) (|v_qquantified_#valueAsBitvector_20| (_ BitVec 32))) (let ((.cse1 (store (store (store (select |c_#memory_int| |v_returnsField_#Ultimate.alloc_#res.base_4|) (_ bv0 32) (_ bv1 32)) (_ bv4 32) (_ bv0 32)) (_ bv8 32) |v_returnsField_write~intINTTYPE4_#value_6|))) (or (not (= (_ bv0 1) (select |c_#valid| |v_returnsField_#Ultimate.alloc_#res.base_4|))) (not (= (fp ((_ extract 31 31) |v_qquantified_#valueAsBitvector_20|) ((_ extract 30 23) |v_qquantified_#valueAsBitvector_20|) ((_ extract 22 0) |v_qquantified_#valueAsBitvector_20|)) (let ((.cse0 (select .cse1 (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) (not (= (select (select (let ((.cse2 (store |c_#memory_int| |v_returnsField_#Ultimate.alloc_#res.base_4| .cse1))) (store .cse2 |c_testTwo_~#f2~1.base| (store (select .cse2 |c_testTwo_~#f2~1.base|) |c_testTwo_~#f2~1.offset| |v_qquantified_#valueAsBitvector_20|))) |c_testTwo_~#f1~1.base|) |c_testTwo_~#f1~1.offset|) |v_qquantified_#valueAsBitvector_20|))))) is different from false [2018-10-27 00:30:13,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:30:13,155 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 00:30:13,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:30:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:13,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:30:13,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-10-27 00:30:13,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-10-27 00:30:13,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,302 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,302 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:15 [2018-10-27 00:30:13,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,345 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-10-27 00:30:13,346 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,358 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:13,358 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:20 [2018-10-27 00:30:13,404 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,405 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,406 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,408 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,412 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 47 [2018-10-27 00:30:13,414 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:13,429 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:25 [2018-10-27 00:30:13,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 72 [2018-10-27 00:30:13,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 57 [2018-10-27 00:30:13,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2018-10-27 00:30:13,497 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2018-10-27 00:30:13,500 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,504 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,506 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:13,514 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:33 [2018-10-27 00:30:13,521 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,522 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,526 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,529 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 51 [2018-10-27 00:30:13,530 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,632 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:13,632 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:35 [2018-10-27 00:30:13,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:30:13,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:30:13,736 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:13,751 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:44 [2018-10-27 00:30:13,828 WARN L854 $PredicateComparison]: unable to prove that (exists ((|returnsField_write~intINTTYPE4_#ptr.base| (_ BitVec 32)) (|returnsField_write~intINTTYPE4_#ptr.offset| (_ BitVec 32)) (|returnsField_write~intINTTYPE4_#value| (_ BitVec 32))) (let ((.cse0 (bvadd |returnsField_write~intINTTYPE4_#ptr.offset| (_ bv4294967288 32)))) (and (= (select |c_old(#valid)| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 1)) (= |c_#memory_int| (store |c_old(#memory_int)| |returnsField_write~intINTTYPE4_#ptr.base| (store (store (store (select |c_old(#memory_int)| |returnsField_write~intINTTYPE4_#ptr.base|) .cse0 (bvand (bvand |c_returnsField_#in~index| (_ bv1 32)) (_ bv1 32))) (bvadd |returnsField_write~intINTTYPE4_#ptr.offset| (_ bv4294967292 32)) (_ bv0 32)) |returnsField_write~intINTTYPE4_#ptr.offset| |returnsField_write~intINTTYPE4_#value|))) (= (let ((.cse1 (select (select |c_#memory_int| |returnsField_write~intINTTYPE4_#ptr.base|) .cse0))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) |c_returnsField_#res|)))) is different from true [2018-10-27 00:30:13,836 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,837 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,841 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,842 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,844 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-10-27 00:30:13,845 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 47 [2018-10-27 00:30:13,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-10-27 00:30:13,914 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,915 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 39 [2018-10-27 00:30:13,923 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,924 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:13,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 56 [2018-10-27 00:30:13,929 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,950 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,965 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:13,986 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:14,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:14,029 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:101, output treesize:82 [2018-10-27 00:30:14,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 69 [2018-10-27 00:30:14,236 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:14,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:14,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 21 [2018-10-27 00:30:14,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:14,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-10-27 00:30:14,254 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:14,262 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:14,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:14,275 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:103, output treesize:25 [2018-10-27 00:30:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 2 not checked. [2018-10-27 00:30:14,283 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 00:30:14,696 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-10-27 00:30:14,858 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-10-27 00:30:23,621 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 00:30:23,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13] total 25 [2018-10-27 00:30:23,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-27 00:30:23,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-27 00:30:23,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=518, Unknown=8, NotChecked=250, Total=870 [2018-10-27 00:30:23,622 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 25 states. [2018-10-27 00:30:25,198 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-10-27 00:30:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:30:26,136 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-10-27 00:30:26,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-27 00:30:26,137 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 46 [2018-10-27 00:30:26,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:30:26,140 INFO L225 Difference]: With dead ends: 47 [2018-10-27 00:30:26,140 INFO L226 Difference]: Without dead ends: 45 [2018-10-27 00:30:26,140 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=155, Invalid=848, Unknown=9, NotChecked=320, Total=1332 [2018-10-27 00:30:26,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-10-27 00:30:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-10-27 00:30:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-10-27 00:30:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2018-10-27 00:30:26,145 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 46 [2018-10-27 00:30:26,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:30:26,146 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2018-10-27 00:30:26,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-27 00:30:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2018-10-27 00:30:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-27 00:30:26,147 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:30:26,147 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:30:26,147 INFO L424 AbstractCegarLoop]: === Iteration 4 === [testOneErr0ASSERT_VIOLATIONERROR_FUNCTION, testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:30:26,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:30:26,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1886731862, now seen corresponding path program 1 times [2018-10-27 00:30:26,148 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:30:26,148 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-27 00:30:26,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-27 00:30:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:26,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:30:26,899 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:26,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-10-27 00:30:26,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-10-27 00:30:26,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:26,916 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:26,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:26,920 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:15 [2018-10-27 00:30:26,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-10-27 00:30:26,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 43 [2018-10-27 00:30:26,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-27 00:30:27,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2018-10-27 00:30:27,004 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,007 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,009 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:27,017 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:72, output treesize:33 [2018-10-27 00:30:27,041 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:27,042 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:27,044 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:27,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-10-27 00:30:27,045 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:27,059 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:27 [2018-10-27 00:30:27,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:30:27,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:30:27,086 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,101 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:27,101 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:45 [2018-10-27 00:30:27,142 WARN L854 $PredicateComparison]: unable to prove that (exists ((|returnsField_write~intINTTYPE4_#ptr.base| (_ BitVec 32)) (|returnsField_write~intINTTYPE4_#value| (_ BitVec 32))) (and (= (select |c_old(#valid)| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 1)) (= (store |c_old(#memory_int)| |returnsField_write~intINTTYPE4_#ptr.base| (store (store (store (select |c_old(#memory_int)| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 32) (bvand (bvand |c_returnsField_#in~index| (_ bv1 32)) (_ bv1 32))) (_ bv4 32) (_ bv0 32)) (_ bv8 32) |returnsField_write~intINTTYPE4_#value|)) |c_#memory_int|) (= (let ((.cse0 (select (select |c_#memory_int| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) |c_returnsField_#res|))) is different from true [2018-10-27 00:30:27,151 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:27,156 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:27,157 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 00:30:27,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-10-27 00:30:27,158 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-10-27 00:30:27,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-27 00:30:27,243 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:27,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 25 [2018-10-27 00:30:27,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2018-10-27 00:30:27,286 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,298 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,308 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,325 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:27,361 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:88, output treesize:72 [2018-10-27 00:30:27,931 WARN L179 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2018-10-27 00:30:27,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 59 [2018-10-27 00:30:27,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-10-27 00:30:27,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,955 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:27,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2018-10-27 00:30:27,956 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:27,974 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:93, output treesize:25 [2018-10-27 00:30:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 2 not checked. [2018-10-27 00:30:27,996 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 00:30:28,157 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-10-27 00:30:28,579 WARN L179 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-27 00:30:28,710 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-27 00:30:30,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:30:30,903 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 00:30:30,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:30:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:31,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:30:31,067 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-10-27 00:30:31,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-10-27 00:30:31,070 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,085 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:15 [2018-10-27 00:30:31,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 72 [2018-10-27 00:30:31,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 57 [2018-10-27 00:30:31,126 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2018-10-27 00:30:31,146 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2018-10-27 00:30:31,150 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,154 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,157 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,159 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,166 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:31,166 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:33 [2018-10-27 00:30:31,171 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,172 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,173 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-10-27 00:30:31,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:31,221 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:27 [2018-10-27 00:30:31,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 00:30:31,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 00:30:31,228 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,231 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,246 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:31,246 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:45 [2018-10-27 00:30:31,277 WARN L854 $PredicateComparison]: unable to prove that (exists ((|returnsField_write~intINTTYPE4_#ptr.base| (_ BitVec 32)) (|returnsField_write~intINTTYPE4_#ptr.offset| (_ BitVec 32)) (|returnsField_write~intINTTYPE4_#value| (_ BitVec 32))) (let ((.cse0 (bvadd |returnsField_write~intINTTYPE4_#ptr.offset| (_ bv4294967288 32)))) (and (= (select |c_old(#valid)| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 1)) (= |c_#memory_int| (store |c_old(#memory_int)| |returnsField_write~intINTTYPE4_#ptr.base| (store (store (store (select |c_old(#memory_int)| |returnsField_write~intINTTYPE4_#ptr.base|) .cse0 (bvand (bvand |c_returnsField_#in~index| (_ bv1 32)) (_ bv1 32))) (bvadd |returnsField_write~intINTTYPE4_#ptr.offset| (_ bv4294967292 32)) (_ bv0 32)) |returnsField_write~intINTTYPE4_#ptr.offset| |returnsField_write~intINTTYPE4_#value|))) (= (let ((.cse1 (select (select |c_#memory_int| |returnsField_write~intINTTYPE4_#ptr.base|) .cse0))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) |c_returnsField_#res|)))) is different from true [2018-10-27 00:30:31,289 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,291 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,295 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 00:30:31,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2018-10-27 00:30:31,297 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 47 [2018-10-27 00:30:31,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-10-27 00:30:31,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,415 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 39 [2018-10-27 00:30:31,448 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 56 [2018-10-27 00:30:31,481 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,507 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,524 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,550 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 00:30:31,607 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:100, output treesize:82 [2018-10-27 00:30:31,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 71 [2018-10-27 00:30:31,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,787 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 00:30:31,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 21 [2018-10-27 00:30:31,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-10-27 00:30:31,805 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,812 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 00:30:31,824 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:105, output treesize:25 [2018-10-27 00:30:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 2 not checked. [2018-10-27 00:30:31,828 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 00:30:32,013 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-10-27 00:30:32,272 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-10-27 00:30:32,472 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-10-27 00:30:34,501 WARN L832 $PredicateComparison]: unable to prove that (forall ((|v_qquantified_#valueAsBitvector_24| (_ BitVec 32)) (|v_returnsField_read~intFLOATTYPE4_#ptr.base_13| (_ BitVec 32)) (|v_returnsField_write~intINTTYPE4_#ptr.offset_15| (_ BitVec 32)) (|v_returnsField_write~intINTTYPE4_#value_15| (_ BitVec 32)) (|testThree_~#f2~2.offset| (_ BitVec 32))) (let ((.cse3 (bvadd |v_returnsField_write~intINTTYPE4_#ptr.offset_15| (_ bv4294967288 32)))) (let ((.cse1 (store (store (store (select |c_#memory_int| |v_returnsField_read~intFLOATTYPE4_#ptr.base_13|) .cse3 (_ bv1 32)) (bvadd |v_returnsField_write~intINTTYPE4_#ptr.offset_15| (_ bv4294967292 32)) (_ bv0 32)) |v_returnsField_write~intINTTYPE4_#ptr.offset_15| |v_returnsField_write~intINTTYPE4_#value_15|))) (or (not (= (select |c_#valid| |v_returnsField_read~intFLOATTYPE4_#ptr.base_13|) (_ bv0 1))) (not (= (select (select (let ((.cse0 (store |c_#memory_int| |v_returnsField_read~intFLOATTYPE4_#ptr.base_13| .cse1))) (store .cse0 |c_testThree_~#f2~2.base| (store (select .cse0 |c_testThree_~#f2~2.base|) |testThree_~#f2~2.offset| |v_qquantified_#valueAsBitvector_24|))) |c_testThree_~#f1~2.base|) |c_testThree_~#f1~2.offset|) |v_qquantified_#valueAsBitvector_24|)) (not (= (let ((.cse2 (select .cse1 .cse3))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (fp ((_ extract 31 31) |v_qquantified_#valueAsBitvector_24|) ((_ extract 30 23) |v_qquantified_#valueAsBitvector_24|) ((_ extract 22 0) |v_qquantified_#valueAsBitvector_24|)))))))) is different from false [2018-10-27 00:30:34,528 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 00:30:34,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2018-10-27 00:30:34,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 00:30:34,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 00:30:34,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=151, Unknown=3, NotChecked=78, Total=272 [2018-10-27 00:30:34,530 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 13 states. [2018-10-27 00:30:35,247 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-10-27 00:30:36,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:30:36,044 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-10-27 00:30:36,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 00:30:36,044 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 62 [2018-10-27 00:30:36,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:30:36,045 INFO L225 Difference]: With dead ends: 45 [2018-10-27 00:30:36,045 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:30:36,046 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=59, Invalid=221, Unknown=4, NotChecked=96, Total=380 [2018-10-27 00:30:36,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:30:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:30:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:30:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:30:36,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-10-27 00:30:36,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:30:36,047 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:30:36,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 00:30:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:30:36,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:30:36,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:30:36,393 INFO L425 ceAbstractionStarter]: For program point L130-1(line 130) no Hoare annotation was computed. [2018-10-27 00:30:36,394 INFO L425 ceAbstractionStarter]: For program point testOneFINAL(lines 127 136) no Hoare annotation was computed. [2018-10-27 00:30:36,394 INFO L425 ceAbstractionStarter]: For program point testOneErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2018-10-27 00:30:36,394 INFO L425 ceAbstractionStarter]: For program point testOneEXIT(lines 127 136) no Hoare annotation was computed. [2018-10-27 00:30:36,394 INFO L421 ceAbstractionStarter]: At program point testOneENTRY(lines 127 136) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) [2018-10-27 00:30:36,394 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-27 00:30:36,394 INFO L425 ceAbstractionStarter]: For program point L133-1(line 133) no Hoare annotation was computed. [2018-10-27 00:30:36,394 INFO L421 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (and (not (= |testOne_~#f1~0.base| |testOne_~#f2~0.base|)) (exists ((|returnsStructure_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (= (select |#valid| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 1))) (= |testOne_~#f1~0.offset| (_ bv0 32)) (= (bvadd (select |#valid| |testOne_~#f1~0.base|) (_ bv1 1)) (_ bv0 1)) (not (= (_ bv0 1) (select |#valid| |testOne_~#f2~0.base|))) (= (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)) (let ((.cse0 (select (select |#memory_int| |testOne_~#f1~0.base|) |testOne_~#f1~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))) [2018-10-27 00:30:36,395 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (and (not (= |testOne_~#f1~0.base| |testOne_~#f2~0.base|)) (= (_ bv1 1) (select |#valid| |testOne_~#f2~0.base|)) (= |testOne_~#f1~0.offset| (_ bv0 32)) (= (bvadd (select |#valid| |testOne_~#f1~0.base|) (_ bv1 1)) (_ bv0 1))) [2018-10-27 00:30:36,395 INFO L425 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-10-27 00:30:36,395 INFO L425 ceAbstractionStarter]: For program point L133-3(line 133) no Hoare annotation was computed. [2018-10-27 00:30:36,395 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:30:36,395 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-10-27 00:30:36,395 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:30:36,395 INFO L421 ceAbstractionStarter]: At program point returnsStructureENTRY(lines 116 124) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) [2018-10-27 00:30:36,395 INFO L425 ceAbstractionStarter]: For program point returnsStructureFINAL(lines 116 124) no Hoare annotation was computed. [2018-10-27 00:30:36,395 INFO L425 ceAbstractionStarter]: For program point returnsStructureEXIT(lines 116 124) no Hoare annotation was computed. [2018-10-27 00:30:36,395 INFO L425 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-10-27 00:30:36,395 INFO L421 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (and (= (fp (_ bv0 1) (_ bv0 8) (_ bv0 23)) (let ((.cse0 (select (select |#memory_int| |testThree_~#f1~2.base|) |testThree_~#f1~2.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (exists ((|returnsField_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (= (select |#valid| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 1))) (= (_ bv1 1) (select |#valid| |testThree_~#f1~2.base|)) (not (= (_ bv0 1) (select |#valid| |testThree_~#f2~2.base|))) (not (= |testThree_~#f1~2.base| |testThree_~#f2~2.base|))) [2018-10-27 00:30:36,396 INFO L421 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: (and (= (_ bv1 1) (select |#valid| |testThree_~#f1~2.base|)) (= (_ bv1 1) (select |#valid| |testThree_~#f2~2.base|)) (not (= |testThree_~#f1~2.base| |testThree_~#f2~2.base|))) [2018-10-27 00:30:36,396 INFO L425 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-10-27 00:30:36,396 INFO L425 ceAbstractionStarter]: For program point L162-3(line 162) no Hoare annotation was computed. [2018-10-27 00:30:36,396 INFO L425 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-10-27 00:30:36,396 INFO L425 ceAbstractionStarter]: For program point testThreeFINAL(lines 156 165) no Hoare annotation was computed. [2018-10-27 00:30:36,396 INFO L425 ceAbstractionStarter]: For program point testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION(line 162) no Hoare annotation was computed. [2018-10-27 00:30:36,396 INFO L425 ceAbstractionStarter]: For program point testThreeEXIT(lines 156 165) no Hoare annotation was computed. [2018-10-27 00:30:36,396 INFO L421 ceAbstractionStarter]: At program point testThreeENTRY(lines 156 165) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) [2018-10-27 00:30:36,396 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-10-27 00:30:36,396 INFO L425 ceAbstractionStarter]: For program point returnsFieldEXIT(lines 106 114) no Hoare annotation was computed. [2018-10-27 00:30:36,396 INFO L421 ceAbstractionStarter]: At program point returnsFieldENTRY(lines 106 114) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) [2018-10-27 00:30:36,397 INFO L425 ceAbstractionStarter]: For program point returnsFieldFINAL(lines 106 114) no Hoare annotation was computed. [2018-10-27 00:30:36,397 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:30:36,397 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 00:30:36,397 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:30:36,397 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:30:36,397 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 167 173) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) [2018-10-27 00:30:36,397 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 167 173) no Hoare annotation was computed. [2018-10-27 00:30:36,397 INFO L425 ceAbstractionStarter]: For program point L170(line 170) no Hoare annotation was computed. [2018-10-27 00:30:36,397 INFO L428 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: true [2018-10-27 00:30:36,397 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 167 173) no Hoare annotation was computed. [2018-10-27 00:30:36,397 INFO L428 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-10-27 00:30:36,398 INFO L425 ceAbstractionStarter]: For program point testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-10-27 00:30:36,398 INFO L425 ceAbstractionStarter]: For program point testTwoEXIT(lines 139 153) no Hoare annotation was computed. [2018-10-27 00:30:36,398 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-10-27 00:30:36,398 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-27 00:30:36,398 INFO L425 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-10-27 00:30:36,398 INFO L421 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse1 (select |#valid| |testTwo_~#f1~1.base|))) (and (= (let ((.cse0 (select (select |#memory_int| |testTwo_~#f1~1.base|) |testTwo_~#f1~1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (= (_ bv1 1) .cse1) (exists ((|returnsStructure_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (= (select |#valid| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 1))) (= (_ bv0 32) |testTwo_~#f2~1.offset|) (not (= |testTwo_~#f1~1.base| |testTwo_~#f2~1.base|)) (= .cse1 (select |#valid| |testTwo_~#f2~1.base|)) (= (_ bv0 32) |testTwo_~#f1~1.offset|))) [2018-10-27 00:30:36,398 INFO L425 ceAbstractionStarter]: For program point L143-1(line 143) no Hoare annotation was computed. [2018-10-27 00:30:36,398 INFO L421 ceAbstractionStarter]: At program point L145-3(line 145) the Hoare annotation is: (let ((.cse1 (select |#valid| |testTwo_~#f1~1.base|))) (and (= (let ((.cse0 (select (select |#memory_int| |testTwo_~#f1~1.base|) |testTwo_~#f1~1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (= (_ bv1 1) .cse1) (exists ((|returnsStructure_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (= (select |#valid| |returnsStructure_write~intINTTYPE4_#ptr.base|) (_ bv0 1))) (= (_ bv0 32) |testTwo_~#f2~1.offset|) (not (= |testTwo_~#f1~1.base| |testTwo_~#f2~1.base|)) (= .cse1 (select |#valid| |testTwo_~#f2~1.base|)) (= (_ bv0 32) |testTwo_~#f1~1.offset|))) [2018-10-27 00:30:36,398 INFO L425 ceAbstractionStarter]: For program point testTwoFINAL(lines 139 153) no Hoare annotation was computed. [2018-10-27 00:30:36,399 INFO L425 ceAbstractionStarter]: For program point testTwoErr1ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2018-10-27 00:30:36,399 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-10-27 00:30:36,399 INFO L425 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2018-10-27 00:30:36,404 INFO L421 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse1 (select |#valid| |testTwo_~#f1~1.base|))) (and (= (let ((.cse0 (select (select |#memory_int| |testTwo_~#f1~1.base|) |testTwo_~#f1~1.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (fp (_ bv0 1) (_ bv0 8) (_ bv0 23))) (= (_ bv1 1) .cse1) (exists ((|returnsField_write~intINTTYPE4_#ptr.base| (_ BitVec 32))) (= (select |#valid| |returnsField_write~intINTTYPE4_#ptr.base|) (_ bv0 1))) (= (_ bv0 32) |testTwo_~#f2~1.offset|) (not (= |testTwo_~#f1~1.base| |testTwo_~#f2~1.base|)) (= .cse1 (select |#valid| |testTwo_~#f2~1.base|)) (= (_ bv0 32) |testTwo_~#f1~1.offset|))) [2018-10-27 00:30:36,404 INFO L425 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2018-10-27 00:30:36,404 INFO L425 ceAbstractionStarter]: For program point L150-3(line 150) no Hoare annotation was computed. [2018-10-27 00:30:36,404 INFO L421 ceAbstractionStarter]: At program point testTwoENTRY(lines 139 153) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) [2018-10-27 00:30:36,404 INFO L421 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (and (= (_ bv1 1) (select |#valid| |testTwo_~#f2~1.base|)) (= (_ bv1 1) (select |#valid| |testTwo_~#f1~1.base|)) (= (_ bv0 32) |testTwo_~#f2~1.offset|) (not (= |testTwo_~#f1~1.base| |testTwo_~#f2~1.base|)) (= (_ bv0 32) |testTwo_~#f1~1.offset|)) [2018-10-27 00:30:36,404 INFO L425 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-10-27 00:30:36,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:30:36 BoogieIcfgContainer [2018-10-27 00:30:36,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:30:36,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:30:36,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:30:36,408 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:30:36,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:29:41" (3/4) ... [2018-10-27 00:30:36,412 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:30:36,417 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure testOne [2018-10-27 00:30:36,418 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:30:36,418 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure returnsStructure [2018-10-27 00:30:36,419 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure testThree [2018-10-27 00:30:36,419 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure returnsField [2018-10-27 00:30:36,419 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:30:36,419 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure testTwo [2018-10-27 00:30:36,428 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 143 nodes and edges [2018-10-27 00:30:36,429 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2018-10-27 00:30:36,429 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2018-10-27 00:30:36,429 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 00:30:36,495 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fc345c8a-3b65-4458-b042-8b8448829b36/bin-2019/utaipan/witness.graphml [2018-10-27 00:30:36,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:30:36,499 INFO L168 Benchmark]: Toolchain (without parser) took 56658.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.4 MB). Free memory was 954.6 MB in the beginning and 889.0 MB in the end (delta: 65.6 MB). Peak memory consumption was 398.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:30:36,500 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:30:36,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.76 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:30:36,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.36 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:30:36,500 INFO L168 Benchmark]: Boogie Preprocessor took 64.75 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:30:36,500 INFO L168 Benchmark]: RCFGBuilder took 870.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:30:36,501 INFO L168 Benchmark]: TraceAbstraction took 55272.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 146.8 MB). Free memory was 1.1 GB in the beginning and 889.0 MB in the end (delta: 250.6 MB). Peak memory consumption was 397.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:30:36,501 INFO L168 Benchmark]: Witness Printer took 90.86 ms. Allocated memory is still 1.4 GB. Free memory is still 889.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:30:36,502 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.76 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.36 ms. Allocated memory is still 1.0 GB. Free memory is still 938.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.75 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 870.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 55272.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 146.8 MB). Free memory was 1.1 GB in the beginning and 889.0 MB in the end (delta: 250.6 MB). Peak memory consumption was 397.4 MB. Max. memory is 11.5 GB. * Witness Printer took 90.86 ms. Allocated memory is still 1.4 GB. Free memory is still 889.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 162]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 4 error locations. SAFE Result, 55.2s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 146 SDtfs, 16 SDslu, 847 SDs, 0 SdLazy, 792 SolverSat, 133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 270 SyntacticMatches, 5 SemanticMatches, 89 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 35.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 39 PreInvPairs, 43 NumberOfFragments, 361 HoareAnnotationTreeSize, 39 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 46.4s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 316 ConstructedInterpolants, 74 QuantifiedInterpolants, 155574 SizeOfPredicates, 471 NumberOfNonLiveVariables, 2664 ConjunctsInSsa, 588 ConjunctsInUnsatCore, 8 InterpolantComputations, 0 PerfectInterpolantSequences, 134/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...