./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68973d1d628799fb79308611b6c84a5074c21cb2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68973d1d628799fb79308611b6c84a5074c21cb2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:59:42,194 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:59:42,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:59:42,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:59:42,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:59:42,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:59:42,204 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:59:42,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:59:42,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:59:42,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:59:42,207 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:59:42,207 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:59:42,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:59:42,209 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:59:42,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:59:42,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:59:42,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:59:42,212 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:59:42,214 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:59:42,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:59:42,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:59:42,216 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:59:42,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:59:42,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:59:42,218 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:59:42,219 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:59:42,219 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:59:42,220 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:59:42,221 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:59:42,221 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:59:42,221 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:59:42,222 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:59:42,222 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:59:42,222 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:59:42,223 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:59:42,223 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:59:42,223 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-18 11:59:42,233 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:59:42,233 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:59:42,234 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:59:42,234 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:59:42,234 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:59:42,235 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:59:42,235 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:59:42,235 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:59:42,235 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:59:42,235 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:59:42,235 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:59:42,235 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:59:42,236 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:59:42,236 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:59:42,236 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:59:42,236 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:59:42,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:59:42,236 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:59:42,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:59:42,237 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:59:42,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:59:42,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:59:42,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:59:42,237 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:59:42,237 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:59:42,238 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:59:42,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:59:42,238 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:59:42,238 INFO L133 SettingsManager]: * To the following directory=dump/ 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_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68973d1d628799fb79308611b6c84a5074c21cb2 [2018-11-18 11:59:42,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:59:42,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:59:42,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:59:42,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:59:42,270 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:59:42,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 11:59:42,304 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data/65189baf0/3c9342016e264202937728757ebfc6c1/FLAGb76ba3c47 [2018-11-18 11:59:42,828 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:59:42,828 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 11:59:42,847 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data/65189baf0/3c9342016e264202937728757ebfc6c1/FLAGb76ba3c47 [2018-11-18 11:59:43,287 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data/65189baf0/3c9342016e264202937728757ebfc6c1 [2018-11-18 11:59:43,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:59:43,290 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:59:43,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:59:43,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:59:43,293 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:59:43,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:43" (1/1) ... [2018-11-18 11:59:43,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218c959c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:43, skipping insertion in model container [2018-11-18 11:59:43,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:43" (1/1) ... [2018-11-18 11:59:43,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:59:43,348 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:59:44,234 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:59:44,285 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:59:44,574 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:59:44,634 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:59:44,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44 WrapperNode [2018-11-18 11:59:44,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:59:44,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:59:44,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:59:44,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:59:44,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (1/1) ... [2018-11-18 11:59:44,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (1/1) ... [2018-11-18 11:59:44,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (1/1) ... [2018-11-18 11:59:44,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (1/1) ... [2018-11-18 11:59:44,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (1/1) ... [2018-11-18 11:59:44,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (1/1) ... [2018-11-18 11:59:44,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (1/1) ... [2018-11-18 11:59:44,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:59:44,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:59:44,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:59:44,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:59:44,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2018-11-18 11:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-18 11:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-18 11:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-18 11:59:44,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-18 11:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-18 11:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-18 11:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2018-11-18 11:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-18 11:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-18 11:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2018-11-18 11:59:44,787 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2018-11-18 11:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2018-11-18 11:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-18 11:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-18 11:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2018-11-18 11:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2018-11-18 11:59:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2018-11-18 11:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2018-11-18 11:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2018-11-18 11:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_release [2018-11-18 11:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_ioctl [2018-11-18 11:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2018-11-18 11:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2018-11-18 11:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_ctl_ioctl [2018-11-18 11:59:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_ctl_compat_ioctl [2018-11-18 11:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_devnode [2018-11-18 11:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_init [2018-11-18 11:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_exit [2018-11-18 11:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2018-11-18 11:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2018-11-18 11:59:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:59:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-18 11:59:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-18 11:59:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2018-11-18 11:59:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_6 [2018-11-18 11:59:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_7 [2018-11-18 11:59:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_8 [2018-11-18 11:59:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_9 [2018-11-18 11:59:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-18 11:59:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-18 11:59:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2018-11-18 11:59:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-18 11:59:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2018-11-18 11:59:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2018-11-18 11:59:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2018-11-18 11:59:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-18 11:59:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2018-11-18 11:59:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2018-11-18 11:59:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 11:59:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-18 11:59:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-18 11:59:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:59:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-18 11:59:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2018-11-18 11:59:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2018-11-18 11:59:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2018-11-18 11:59:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-18 11:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-18 11:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-18 11:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-18 11:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-18 11:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-18 11:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-18 11:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2018-11-18 11:59:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_6 [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 11:59:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-18 11:59:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-18 11:59:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-18 11:59:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-18 11:59:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure bdget [2018-11-18 11:59:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2018-11-18 11:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_ioctl [2018-11-18 11:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_get [2018-11-18 11:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2018-11-18 11:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2018-11-18 11:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2018-11-18 11:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2018-11-18 11:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure igrab [2018-11-18 11:59:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2018-11-18 11:59:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2018-11-18 11:59:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_7 [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_8 [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_9 [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2018-11-18 11:59:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure raw_release [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure raw_ioctl [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure raw_ctl_ioctl [2018-11-18 11:59:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure raw_ctl_compat_ioctl [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure raw_devnode [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure raw_init [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure raw_exit [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2018-11-18 11:59:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2018-11-18 11:59:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2018-11-18 11:59:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2018-11-18 11:59:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2018-11-18 11:59:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:59:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:59:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:59:48,331 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:59:48,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:48 BoogieIcfgContainer [2018-11-18 11:59:48,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:59:48,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:59:48,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:59:48,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:59:48,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:59:43" (1/3) ... [2018-11-18 11:59:48,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d88a593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:59:48, skipping insertion in model container [2018-11-18 11:59:48,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:44" (2/3) ... [2018-11-18 11:59:48,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d88a593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:59:48, skipping insertion in model container [2018-11-18 11:59:48,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:48" (3/3) ... [2018-11-18 11:59:48,338 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 11:59:48,345 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:59:48,352 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:59:48,363 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:59:48,389 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:59:48,389 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:59:48,390 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:59:48,390 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:59:48,390 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:59:48,390 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:59:48,390 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:59:48,390 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:59:48,390 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:59:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2018-11-18 11:59:48,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 11:59:48,423 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:59:48,424 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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, 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] [2018-11-18 11:59:48,426 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:59:48,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:48,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1645626132, now seen corresponding path program 1 times [2018-11-18 11:59:48,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:48,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:48,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:48,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:48,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-18 11:59:48,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:48,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:59:48,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:59:48,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:59:48,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:48,871 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 3 states. [2018-11-18 11:59:50,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:50,979 INFO L93 Difference]: Finished difference Result 875 states and 1185 transitions. [2018-11-18 11:59:50,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:59:50,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2018-11-18 11:59:50,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:59:50,994 INFO L225 Difference]: With dead ends: 875 [2018-11-18 11:59:50,994 INFO L226 Difference]: Without dead ends: 557 [2018-11-18 11:59:50,998 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:51,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-11-18 11:59:51,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 554. [2018-11-18 11:59:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-18 11:59:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 742 transitions. [2018-11-18 11:59:51,068 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 742 transitions. Word has length 198 [2018-11-18 11:59:51,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:59:51,069 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 742 transitions. [2018-11-18 11:59:51,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:59:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 742 transitions. [2018-11-18 11:59:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 11:59:51,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:59:51,073 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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, 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] [2018-11-18 11:59:51,074 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:59:51,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:51,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1786785260, now seen corresponding path program 1 times [2018-11-18 11:59:51,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:51,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:51,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:51,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-18 11:59:51,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:51,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:59:51,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:59:51,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:59:51,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:51,219 INFO L87 Difference]: Start difference. First operand 554 states and 742 transitions. Second operand 3 states. [2018-11-18 11:59:51,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:51,268 INFO L93 Difference]: Finished difference Result 564 states and 750 transitions. [2018-11-18 11:59:51,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:59:51,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2018-11-18 11:59:51,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:59:51,273 INFO L225 Difference]: With dead ends: 564 [2018-11-18 11:59:51,273 INFO L226 Difference]: Without dead ends: 559 [2018-11-18 11:59:51,275 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:51,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-11-18 11:59:51,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 554. [2018-11-18 11:59:51,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-18 11:59:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 741 transitions. [2018-11-18 11:59:51,306 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 741 transitions. Word has length 200 [2018-11-18 11:59:51,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:59:51,307 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 741 transitions. [2018-11-18 11:59:51,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:59:51,308 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 741 transitions. [2018-11-18 11:59:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 11:59:51,311 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:59:51,311 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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, 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] [2018-11-18 11:59:51,311 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:59:51,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:51,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1729526958, now seen corresponding path program 1 times [2018-11-18 11:59:51,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:51,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:51,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:51,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-18 11:59:51,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:51,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:59:51,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:59:51,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:59:51,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:51,529 INFO L87 Difference]: Start difference. First operand 554 states and 741 transitions. Second operand 3 states. [2018-11-18 11:59:51,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:51,580 INFO L93 Difference]: Finished difference Result 1549 states and 2104 transitions. [2018-11-18 11:59:51,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:59:51,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2018-11-18 11:59:51,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:59:51,592 INFO L225 Difference]: With dead ends: 1549 [2018-11-18 11:59:51,593 INFO L226 Difference]: Without dead ends: 1038 [2018-11-18 11:59:51,594 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:51,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-11-18 11:59:51,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1034. [2018-11-18 11:59:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-18 11:59:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1402 transitions. [2018-11-18 11:59:51,633 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1402 transitions. Word has length 200 [2018-11-18 11:59:51,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:59:51,634 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1402 transitions. [2018-11-18 11:59:51,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:59:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1402 transitions. [2018-11-18 11:59:51,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 11:59:51,637 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:59:51,637 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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, 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, 1, 1, 1] [2018-11-18 11:59:51,638 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:59:51,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:51,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1318734475, now seen corresponding path program 1 times [2018-11-18 11:59:51,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:51,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:51,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:51,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-18 11:59:51,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:51,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:59:51,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:59:51,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:59:51,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:51,786 INFO L87 Difference]: Start difference. First operand 1034 states and 1402 transitions. Second operand 3 states. [2018-11-18 11:59:51,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:51,880 INFO L93 Difference]: Finished difference Result 2414 states and 3292 transitions. [2018-11-18 11:59:51,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:59:51,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2018-11-18 11:59:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:59:51,887 INFO L225 Difference]: With dead ends: 2414 [2018-11-18 11:59:51,887 INFO L226 Difference]: Without dead ends: 1435 [2018-11-18 11:59:51,890 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:51,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2018-11-18 11:59:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1422. [2018-11-18 11:59:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2018-11-18 11:59:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1940 transitions. [2018-11-18 11:59:51,941 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1940 transitions. Word has length 219 [2018-11-18 11:59:51,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:59:51,942 INFO L480 AbstractCegarLoop]: Abstraction has 1422 states and 1940 transitions. [2018-11-18 11:59:51,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:59:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1940 transitions. [2018-11-18 11:59:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 11:59:51,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:59:51,947 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 1, 1, 1, 1, 1] [2018-11-18 11:59:51,947 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:59:51,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:51,947 INFO L82 PathProgramCache]: Analyzing trace with hash -2057518972, now seen corresponding path program 1 times [2018-11-18 11:59:51,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:51,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:51,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:51,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:51,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-11-18 11:59:52,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:52,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:59:52,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:59:52,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:59:52,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:52,115 INFO L87 Difference]: Start difference. First operand 1422 states and 1940 transitions. Second operand 3 states. [2018-11-18 11:59:54,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:54,230 INFO L93 Difference]: Finished difference Result 3236 states and 4454 transitions. [2018-11-18 11:59:54,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:59:54,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2018-11-18 11:59:54,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:59:54,236 INFO L225 Difference]: With dead ends: 3236 [2018-11-18 11:59:54,236 INFO L226 Difference]: Without dead ends: 1869 [2018-11-18 11:59:54,238 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:59:54,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2018-11-18 11:59:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1856. [2018-11-18 11:59:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2018-11-18 11:59:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2544 transitions. [2018-11-18 11:59:54,279 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2544 transitions. Word has length 271 [2018-11-18 11:59:54,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:59:54,279 INFO L480 AbstractCegarLoop]: Abstraction has 1856 states and 2544 transitions. [2018-11-18 11:59:54,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:59:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2544 transitions. [2018-11-18 11:59:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 11:59:54,283 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:59:54,283 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:54,284 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:59:54,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:54,284 INFO L82 PathProgramCache]: Analyzing trace with hash 967485944, now seen corresponding path program 1 times [2018-11-18 11:59:54,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:54,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:54,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:54,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:54,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2018-11-18 11:59:54,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:59:54,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:59:54,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:59:54,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:59:54,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:59:54,513 INFO L87 Difference]: Start difference. First operand 1856 states and 2544 transitions. Second operand 5 states. [2018-11-18 11:59:57,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:57,061 INFO L93 Difference]: Finished difference Result 3657 states and 5032 transitions. [2018-11-18 11:59:57,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:59:57,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 288 [2018-11-18 11:59:57,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:59:57,066 INFO L225 Difference]: With dead ends: 3657 [2018-11-18 11:59:57,067 INFO L226 Difference]: Without dead ends: 1856 [2018-11-18 11:59:57,069 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:59:57,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2018-11-18 11:59:57,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1856. [2018-11-18 11:59:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2018-11-18 11:59:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2538 transitions. [2018-11-18 11:59:57,112 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2538 transitions. Word has length 288 [2018-11-18 11:59:57,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:59:57,112 INFO L480 AbstractCegarLoop]: Abstraction has 1856 states and 2538 transitions. [2018-11-18 11:59:57,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:59:57,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2538 transitions. [2018-11-18 11:59:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 11:59:57,116 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:59:57,116 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:57,116 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:59:57,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:57,117 INFO L82 PathProgramCache]: Analyzing trace with hash -339656454, now seen corresponding path program 1 times [2018-11-18 11:59:57,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:57,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:57,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:57,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:57,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 49 proven. 28 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2018-11-18 11:59:57,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:59:57,278 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:59:57,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:57,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:59:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2018-11-18 11:59:57,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:59:57,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 11:59:57,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:59:57,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:59:57,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:59:57,635 INFO L87 Difference]: Start difference. First operand 1856 states and 2538 transitions. Second operand 10 states. [2018-11-18 11:59:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:59:59,915 INFO L93 Difference]: Finished difference Result 3002 states and 4101 transitions. [2018-11-18 11:59:59,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 11:59:59,916 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 288 [2018-11-18 11:59:59,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:59:59,918 INFO L225 Difference]: With dead ends: 3002 [2018-11-18 11:59:59,918 INFO L226 Difference]: Without dead ends: 1152 [2018-11-18 11:59:59,921 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:59:59,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2018-11-18 11:59:59,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1111. [2018-11-18 11:59:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2018-11-18 11:59:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1492 transitions. [2018-11-18 11:59:59,951 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1492 transitions. Word has length 288 [2018-11-18 11:59:59,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:59:59,952 INFO L480 AbstractCegarLoop]: Abstraction has 1111 states and 1492 transitions. [2018-11-18 11:59:59,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:59:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1492 transitions. [2018-11-18 11:59:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 11:59:59,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:59:59,955 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 7, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:59:59,955 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:59:59,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:59,955 INFO L82 PathProgramCache]: Analyzing trace with hash -833864013, now seen corresponding path program 1 times [2018-11-18 11:59:59,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:59:59,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:59:59,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:59:59,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:59:59,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 64 proven. 37 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2018-11-18 12:00:00,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:00:00,121 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:00:00,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:01,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:00:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 280 proven. 1 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2018-11-18 12:00:01,307 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:00:01,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-11-18 12:00:01,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:00:01,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:00:01,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:00:01,309 INFO L87 Difference]: Start difference. First operand 1111 states and 1492 transitions. Second operand 11 states. [2018-11-18 12:00:01,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:00:01,488 INFO L93 Difference]: Finished difference Result 2208 states and 2978 transitions. [2018-11-18 12:00:01,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:00:01,488 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 304 [2018-11-18 12:00:01,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:00:01,491 INFO L225 Difference]: With dead ends: 2208 [2018-11-18 12:00:01,491 INFO L226 Difference]: Without dead ends: 1112 [2018-11-18 12:00:01,494 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:00:01,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2018-11-18 12:00:01,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2018-11-18 12:00:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2018-11-18 12:00:01,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1493 transitions. [2018-11-18 12:00:01,520 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1493 transitions. Word has length 304 [2018-11-18 12:00:01,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:00:01,521 INFO L480 AbstractCegarLoop]: Abstraction has 1112 states and 1493 transitions. [2018-11-18 12:00:01,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:00:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1493 transitions. [2018-11-18 12:00:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-18 12:00:01,523 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:00:01,524 INFO L375 BasicCegarLoop]: trace histogram [14, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:00:01,524 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:00:01,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:01,524 INFO L82 PathProgramCache]: Analyzing trace with hash 469246619, now seen corresponding path program 1 times [2018-11-18 12:00:01,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:01,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:01,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:01,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:01,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 50 proven. 41 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2018-11-18 12:00:01,743 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:00:01,743 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:00:01,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:03,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:00:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 321 proven. 3 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2018-11-18 12:00:03,506 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:00:03,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 11 [2018-11-18 12:00:03,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:00:03,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:00:03,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:00:03,507 INFO L87 Difference]: Start difference. First operand 1112 states and 1493 transitions. Second operand 11 states. [2018-11-18 12:00:03,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:00:03,897 INFO L93 Difference]: Finished difference Result 2213 states and 2987 transitions. [2018-11-18 12:00:03,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:00:03,898 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 313 [2018-11-18 12:00:03,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:00:03,902 INFO L225 Difference]: With dead ends: 2213 [2018-11-18 12:00:03,902 INFO L226 Difference]: Without dead ends: 1111 [2018-11-18 12:00:03,905 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:00:03,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2018-11-18 12:00:03,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 1111. [2018-11-18 12:00:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2018-11-18 12:00:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1491 transitions. [2018-11-18 12:00:03,941 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1491 transitions. Word has length 313 [2018-11-18 12:00:03,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:00:03,941 INFO L480 AbstractCegarLoop]: Abstraction has 1111 states and 1491 transitions. [2018-11-18 12:00:03,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:00:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1491 transitions. [2018-11-18 12:00:03,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-18 12:00:03,946 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:00:03,946 INFO L375 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:00:03,946 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:00:03,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:03,946 INFO L82 PathProgramCache]: Analyzing trace with hash 653000239, now seen corresponding path program 2 times [2018-11-18 12:00:03,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:03,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:03,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:03,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:03,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 220 proven. 28 refuted. 0 times theorem prover too weak. 1536 trivial. 0 not checked. [2018-11-18 12:00:04,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:00:04,220 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/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 [2018-11-18 12:00:04,233 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:00:17,263 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:00:17,264 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:00:17,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:00:17,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2018-11-18 12:00:17,511 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:00:17,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-18 12:00:17,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 12:00:17,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 12:00:17,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:00:17,512 INFO L87 Difference]: Start difference. First operand 1111 states and 1491 transitions. Second operand 15 states. [2018-11-18 12:00:17,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:00:17,834 INFO L93 Difference]: Finished difference Result 2208 states and 2976 transitions. [2018-11-18 12:00:17,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:00:17,835 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 335 [2018-11-18 12:00:17,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:00:17,839 INFO L225 Difference]: With dead ends: 2208 [2018-11-18 12:00:17,839 INFO L226 Difference]: Without dead ends: 1112 [2018-11-18 12:00:17,842 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:00:17,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2018-11-18 12:00:17,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2018-11-18 12:00:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2018-11-18 12:00:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1492 transitions. [2018-11-18 12:00:17,878 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1492 transitions. Word has length 335 [2018-11-18 12:00:17,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:00:17,878 INFO L480 AbstractCegarLoop]: Abstraction has 1112 states and 1492 transitions. [2018-11-18 12:00:17,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 12:00:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1492 transitions. [2018-11-18 12:00:17,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-11-18 12:00:17,883 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:00:17,883 INFO L375 BasicCegarLoop]: trace histogram [48, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:00:17,884 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:00:17,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:17,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1072020197, now seen corresponding path program 3 times [2018-11-18 12:00:17,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:00:17,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:00:17,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:17,886 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:00:17,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:18,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2426 backedges. 31 proven. 320 refuted. 0 times theorem prover too weak. 2075 trivial. 0 not checked. [2018-11-18 12:00:18,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:00:18,252 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:00:18,264 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:01:06,529 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-18 12:01:06,529 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:01:06,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:01:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2426 backedges. 405 proven. 10 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2018-11-18 12:01:06,765 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:01:06,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2018-11-18 12:01:06,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 12:01:06,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 12:01:06,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:01:06,766 INFO L87 Difference]: Start difference. First operand 1112 states and 1492 transitions. Second operand 18 states. [2018-11-18 12:01:07,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:01:07,087 INFO L93 Difference]: Finished difference Result 2211 states and 2974 transitions. [2018-11-18 12:01:07,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 12:01:07,088 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 347 [2018-11-18 12:01:07,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:01:07,092 INFO L225 Difference]: With dead ends: 2211 [2018-11-18 12:01:07,092 INFO L226 Difference]: Without dead ends: 1121 [2018-11-18 12:01:07,094 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2018-11-18 12:01:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2018-11-18 12:01:07,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1121. [2018-11-18 12:01:07,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2018-11-18 12:01:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1502 transitions. [2018-11-18 12:01:07,131 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1502 transitions. Word has length 347 [2018-11-18 12:01:07,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:01:07,131 INFO L480 AbstractCegarLoop]: Abstraction has 1121 states and 1502 transitions. [2018-11-18 12:01:07,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 12:01:07,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1502 transitions. [2018-11-18 12:01:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-18 12:01:07,133 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:01:07,134 INFO L375 BasicCegarLoop]: trace histogram [55, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:01:07,134 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:01:07,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:07,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1020416175, now seen corresponding path program 4 times [2018-11-18 12:01:07,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:01:07,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:01:07,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:07,136 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:01:07,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2867 backedges. 36 proven. 411 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 12:01:07,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:07,538 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/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 [2018-11-18 12:01:07,551 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:01:13,532 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 12:01:13,532 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:01:13,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:01:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2867 backedges. 876 proven. 15 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2018-11-18 12:01:13,764 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:01:13,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-11-18 12:01:13,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 12:01:13,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 12:01:13,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:01:13,766 INFO L87 Difference]: Start difference. First operand 1121 states and 1502 transitions. Second operand 19 states. [2018-11-18 12:01:14,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:01:14,105 INFO L93 Difference]: Finished difference Result 2226 states and 2991 transitions. [2018-11-18 12:01:14,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 12:01:14,106 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 354 [2018-11-18 12:01:14,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:01:14,109 INFO L225 Difference]: With dead ends: 2226 [2018-11-18 12:01:14,109 INFO L226 Difference]: Without dead ends: 1125 [2018-11-18 12:01:14,111 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=740, Unknown=0, NotChecked=0, Total=870 [2018-11-18 12:01:14,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2018-11-18 12:01:14,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1122. [2018-11-18 12:01:14,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2018-11-18 12:01:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1503 transitions. [2018-11-18 12:01:14,133 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1503 transitions. Word has length 354 [2018-11-18 12:01:14,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:01:14,134 INFO L480 AbstractCegarLoop]: Abstraction has 1122 states and 1503 transitions. [2018-11-18 12:01:14,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 12:01:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1503 transitions. [2018-11-18 12:01:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-11-18 12:01:14,136 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:01:14,136 INFO L375 BasicCegarLoop]: trace histogram [62, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:01:14,136 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:01:14,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:14,136 INFO L82 PathProgramCache]: Analyzing trace with hash -629601, now seen corresponding path program 2 times [2018-11-18 12:01:14,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:01:14,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:01:14,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:14,138 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:01:14,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3359 backedges. 247 proven. 309 refuted. 0 times theorem prover too weak. 2803 trivial. 0 not checked. [2018-11-18 12:01:14,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:14,443 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:01:14,454 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:01:26,862 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:01:26,862 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:01:26,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:01:26,953 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:26,956 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 251 treesize of output 236 [2018-11-18 12:01:27,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,018 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,019 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 214 [2018-11-18 12:01:27,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,084 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,085 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 201 [2018-11-18 12:01:27,144 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 191 [2018-11-18 12:01:27,222 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,223 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,224 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,224 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,225 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,226 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,226 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,227 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 190 [2018-11-18 12:01:27,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,310 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,312 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,313 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,313 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,314 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,315 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 22 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 198 [2018-11-18 12:01:27,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,419 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,419 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,420 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,424 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,425 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 209 [2018-11-18 12:01:27,542 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2018-11-18 12:01:27,545 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,546 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,546 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,547 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,548 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,548 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 231 [2018-11-18 12:01:27,701 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 101 [2018-11-18 12:01:27,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,707 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,708 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,710 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,710 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,711 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,712 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,712 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,715 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,716 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,716 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 258 [2018-11-18 12:01:27,921 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 116 [2018-11-18 12:01:27,928 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,931 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,932 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,933 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,934 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,936 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,937 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,938 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,938 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,939 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,940 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,940 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,941 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:27,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 56 disjoint index pairs (out of 55 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 290 [2018-11-18 12:01:28,177 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 132 [2018-11-18 12:01:28,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,186 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,187 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,189 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,190 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,194 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,195 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,196 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,197 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,198 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,199 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,200 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,202 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,203 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,204 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,205 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,206 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:28,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 67 disjoint index pairs (out of 66 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 265 [2018-11-18 12:01:28,209 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:01:28,328 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:28,459 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:28,561 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:28,666 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:28,778 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:28,888 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:28,998 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,109 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,220 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,333 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,451 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,451 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:257, output treesize:268 [2018-11-18 12:01:29,592 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-11-18 12:01:29,648 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 11 treesize of output 8 [2018-11-18 12:01:29,650 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 [2018-11-18 12:01:29,651 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,653 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,658 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-11-18 12:01:29,684 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 16 [2018-11-18 12:01:29,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,689 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 12:01:29,689 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,695 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,703 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:01:29,703 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-11-18 12:01:29,743 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 30 treesize of output 23 [2018-11-18 12:01:29,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,746 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,748 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 46 [2018-11-18 12:01:29,748 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,755 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,764 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:01:29,764 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-11-18 12:01:29,799 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 39 treesize of output 30 [2018-11-18 12:01:29,802 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,804 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,806 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,807 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:01:29,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 77 [2018-11-18 12:01:29,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:29,831 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 12:01:29,831 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:52, output treesize:48 [2018-11-18 12:01:34,101 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-11-18 12:01:34,530 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_24| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_24| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:01:34,939 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_24| Int) (|v_#Ultimate.C_memset_#t~loopctr253_25| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_24| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_25| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:35,419 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_26| Int) (|v_#Ultimate.C_memset_#t~loopctr253_24| Int) (|v_#Ultimate.C_memset_#t~loopctr253_25| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_24| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_25| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_26| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:01:35,942 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_26| Int) (|v_#Ultimate.C_memset_#t~loopctr253_27| Int) (|v_#Ultimate.C_memset_#t~loopctr253_24| Int) (|v_#Ultimate.C_memset_#t~loopctr253_25| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_24| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_25| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_26| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_27| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:01:36,551 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_26| Int) (|v_#Ultimate.C_memset_#t~loopctr253_27| Int) (|v_#Ultimate.C_memset_#t~loopctr253_24| Int) (|v_#Ultimate.C_memset_#t~loopctr253_25| Int) (|v_#Ultimate.C_memset_#t~loopctr253_28| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_24| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_25| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_26| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_27| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_28|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:37,590 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_26| Int) (|v_#Ultimate.C_memset_#t~loopctr253_27| Int) (|v_#Ultimate.C_memset_#t~loopctr253_24| Int) (|v_#Ultimate.C_memset_#t~loopctr253_25| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_28| Int) (|v_#Ultimate.C_memset_#t~loopctr253_29| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_24| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_25| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_26| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_27| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_28|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_29|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:38,620 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_26| Int) (|v_#Ultimate.C_memset_#t~loopctr253_27| Int) (|v_#Ultimate.C_memset_#t~loopctr253_24| Int) (|v_#Ultimate.C_memset_#t~loopctr253_25| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_28| Int) (|v_#Ultimate.C_memset_#t~loopctr253_29| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_24| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_25| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_26| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_27| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_28|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_29|) |#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:01:38,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 21 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 86 [2018-11-18 12:01:38,658 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 35 treesize of output 38 [2018-11-18 12:01:38,664 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2018-11-18 12:01:38,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2018-11-18 12:01:38,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-18 12:01:38,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-18 12:01:38,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 55 [2018-11-18 12:01:38,735 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:01:38,746 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:38,759 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:38,770 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:38,781 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:38,792 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:38,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:39,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 1 dim-2 vars, End of recursive call: 11 dim-0 vars, and 1 xjuncts. [2018-11-18 12:01:39,041 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 13 variables, input treesize:365, output treesize:402 [2018-11-18 12:01:43,258 WARN L180 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 199 [2018-11-18 12:01:43,669 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_30| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_30|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:01:44,084 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_31| Int) (|v_#Ultimate.C_memset_#t~loopctr253_30| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_30|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_31| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:44,555 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_31| Int) (|v_#Ultimate.C_memset_#t~loopctr253_32| Int) (|v_#Ultimate.C_memset_#t~loopctr253_30| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_30|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_31| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_32| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:45,089 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_33| Int) (|v_#Ultimate.C_memset_#t~loopctr253_31| Int) (|v_#Ultimate.C_memset_#t~loopctr253_32| Int) (|v_#Ultimate.C_memset_#t~loopctr253_30| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_30|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_31| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_32| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_33| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:45,709 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_33| Int) (|v_#Ultimate.C_memset_#t~loopctr253_34| Int) (|v_#Ultimate.C_memset_#t~loopctr253_31| Int) (|v_#Ultimate.C_memset_#t~loopctr253_32| Int) (|v_#Ultimate.C_memset_#t~loopctr253_30| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_30|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_31| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_32| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_33| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_34| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:46,744 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_35| Int) (|v_#Ultimate.C_memset_#t~loopctr253_33| Int) (|v_#Ultimate.C_memset_#t~loopctr253_34| Int) (|v_#Ultimate.C_memset_#t~loopctr253_31| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_32| Int) (|v_#Ultimate.C_memset_#t~loopctr253_30| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_30|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_31| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_32| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_33| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_34| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_35| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:47,789 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_35| Int) (|v_#Ultimate.C_memset_#t~loopctr253_33| Int) (|v_#Ultimate.C_memset_#t~loopctr253_34| Int) (|v_#Ultimate.C_memset_#t~loopctr253_31| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_32| Int) (|v_#Ultimate.C_memset_#t~loopctr253_30| Int)) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_30|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_31| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_32| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_33| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_34| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_35| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:47,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 30 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 169 [2018-11-18 12:01:47,832 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 35 treesize of output 38 [2018-11-18 12:01:47,839 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2018-11-18 12:01:47,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2018-11-18 12:01:47,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-18 12:01:47,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-18 12:01:47,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 55 [2018-11-18 12:01:47,903 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:01:47,915 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:47,926 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:47,938 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:47,949 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:47,961 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:47,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:48,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 1 dim-2 vars, End of recursive call: 19 dim-0 vars, and 1 xjuncts. [2018-11-18 12:01:48,237 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 21 variables, input treesize:440, output treesize:477 [2018-11-18 12:01:54,546 WARN L180 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 224 [2018-11-18 12:01:54,940 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_36| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_36| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:01:55,347 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_37| Int) (|v_#Ultimate.C_memset_#t~loopctr253_36| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_36| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_37| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:55,813 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_37| Int) (|v_#Ultimate.C_memset_#t~loopctr253_38| Int) (|v_#Ultimate.C_memset_#t~loopctr253_36| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_36| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_37| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_38| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:56,351 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_37| Int) (|v_#Ultimate.C_memset_#t~loopctr253_38| Int) (|v_#Ultimate.C_memset_#t~loopctr253_36| Int) (|v_#Ultimate.C_memset_#t~loopctr253_39| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_36| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_37| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_38| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_39|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:56,956 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_37| Int) (|v_#Ultimate.C_memset_#t~loopctr253_38| Int) (|v_#Ultimate.C_memset_#t~loopctr253_36| Int) (|v_#Ultimate.C_memset_#t~loopctr253_40| Int) (|v_#Ultimate.C_memset_#t~loopctr253_39| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_36| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_37| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_38| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_39|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_40|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:01:57,977 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_37| Int) (|v_#Ultimate.C_memset_#t~loopctr253_38| Int) (|v_#Ultimate.C_memset_#t~loopctr253_36| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_40| Int) (|v_#Ultimate.C_memset_#t~loopctr253_41| Int) (|v_#Ultimate.C_memset_#t~loopctr253_39| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_36| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_37| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_38| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_39|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_40|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_41|) |#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:01:59,012 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_37| Int) (|v_#Ultimate.C_memset_#t~loopctr253_38| Int) (|v_#Ultimate.C_memset_#t~loopctr253_36| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_40| Int) (|v_#Ultimate.C_memset_#t~loopctr253_41| Int) (|v_#Ultimate.C_memset_#t~loopctr253_39| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_36| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_37| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_38| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_39|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_40|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_41|) |#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:01:59,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 38 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 256 [2018-11-18 12:01:59,066 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 35 treesize of output 38 [2018-11-18 12:01:59,074 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2018-11-18 12:01:59,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2018-11-18 12:01:59,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-18 12:01:59,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-18 12:01:59,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 55 [2018-11-18 12:01:59,154 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:01:59,167 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:59,182 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:59,195 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:59,209 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:59,222 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:59,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:01:59,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 28 dim-0 vars, 1 dim-2 vars, End of recursive call: 27 dim-0 vars, and 1 xjuncts. [2018-11-18 12:01:59,538 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 29 variables, input treesize:515, output treesize:552 [2018-11-18 12:02:08,868 WARN L180 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 249 [2018-11-18 12:02:09,254 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_42| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_42| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:09,659 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_42| Int) (|v_#Ultimate.C_memset_#t~loopctr253_43| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_42| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_43| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:10,138 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_44| Int) (|v_#Ultimate.C_memset_#t~loopctr253_42| Int) (|v_#Ultimate.C_memset_#t~loopctr253_43| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_42| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_43| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_44| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:02:10,812 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_44| Int) (|v_#Ultimate.C_memset_#t~loopctr253_45| Int) (|v_#Ultimate.C_memset_#t~loopctr253_42| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_43| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_42| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_43| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_44| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_45| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:11,517 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_44| Int) (|v_#Ultimate.C_memset_#t~loopctr253_45| Int) (|v_#Ultimate.C_memset_#t~loopctr253_42| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_43| Int)) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_42| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_43| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_44| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_45| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:11,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 45 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 337 [2018-11-18 12:02:11,579 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 25 treesize of output 28 [2018-11-18 12:02:11,587 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2018-11-18 12:02:11,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-11-18 12:02:11,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-11-18 12:02:11,615 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:02:11,627 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:11,638 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:11,649 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:11,724 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:12,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 34 dim-0 vars, 1 dim-2 vars, End of recursive call: 33 dim-0 vars, and 1 xjuncts. [2018-11-18 12:02:12,033 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 35 variables, input treesize:580, output treesize:597 [2018-11-18 12:02:23,544 WARN L180 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 266 [2018-11-18 12:02:23,927 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_46| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_46| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:02:24,376 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_46| Int) (|v_#Ultimate.C_memset_#t~loopctr253_47| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_46| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_47| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:24,943 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_48| Int) (|v_#Ultimate.C_memset_#t~loopctr253_46| Int) (|v_#Ultimate.C_memset_#t~loopctr253_47| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_46| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_47| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_48| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:25,530 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_48| Int) (|v_#Ultimate.C_memset_#t~loopctr253_49| Int) (|v_#Ultimate.C_memset_#t~loopctr253_46| Int) (|v_#Ultimate.C_memset_#t~loopctr253_47| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_46| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_47| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_48| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_49| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:26,229 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_48| Int) (|v_#Ultimate.C_memset_#t~loopctr253_49| Int) (|v_#Ultimate.C_memset_#t~loopctr253_46| Int) (|v_#Ultimate.C_memset_#t~loopctr253_47| Int) (|v_#Ultimate.C_memset_#t~loopctr253_50| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_46| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_47| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_48| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_49| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_50|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:27,474 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_48| Int) (|v_#Ultimate.C_memset_#t~loopctr253_49| Int) (|v_#Ultimate.C_memset_#t~loopctr253_46| Int) (|v_#Ultimate.C_memset_#t~loopctr253_47| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_51| Int) (|v_#Ultimate.C_memset_#t~loopctr253_50| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_46| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_47| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_48| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_49| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_50|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_51|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:28,648 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_48| Int) (|v_#Ultimate.C_memset_#t~loopctr253_49| Int) (|v_#Ultimate.C_memset_#t~loopctr253_46| Int) (|v_#Ultimate.C_memset_#t~loopctr253_47| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_51| Int) (|v_#Ultimate.C_memset_#t~loopctr253_50| Int)) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_46| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_47| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_48| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_49| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_50|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_51|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:28,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 51 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 355 treesize of output 412 [2018-11-18 12:02:28,767 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 35 treesize of output 38 [2018-11-18 12:02:28,776 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2018-11-18 12:02:28,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2018-11-18 12:02:28,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-18 12:02:28,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-18 12:02:28,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 55 [2018-11-18 12:02:28,881 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:02:28,904 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:28,921 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:28,938 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:28,954 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:28,970 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:29,110 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:29,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 42 dim-0 vars, 1 dim-2 vars, End of recursive call: 41 dim-0 vars, and 1 xjuncts. [2018-11-18 12:02:29,483 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 43 variables, input treesize:635, output treesize:672 [2018-11-18 12:02:46,759 WARN L180 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 291 [2018-11-18 12:02:47,212 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_52| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_52|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:47,645 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_53| Int) (|v_#Ultimate.C_memset_#t~loopctr253_52| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_52|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_53| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:02:48,110 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_53| Int) (|v_#Ultimate.C_memset_#t~loopctr253_54| Int) (|v_#Ultimate.C_memset_#t~loopctr253_52| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_52|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_53| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_54| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:48,819 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_55| Int) (|v_#Ultimate.C_memset_#t~loopctr253_53| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_54| Int) (|v_#Ultimate.C_memset_#t~loopctr253_52| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_52|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_53| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_54| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_55| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:49,553 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_55| Int) (|v_#Ultimate.C_memset_#t~loopctr253_53| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_54| Int) (|v_#Ultimate.C_memset_#t~loopctr253_52| Int)) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_52|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_53| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_54| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_55| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:02:49,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 56 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 420 treesize of output 501 [2018-11-18 12:02:49,642 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 25 treesize of output 28 [2018-11-18 12:02:49,649 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2018-11-18 12:02:49,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-11-18 12:02:49,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-11-18 12:02:49,676 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:02:49,690 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:49,703 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:49,716 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:49,855 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:02:50,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 48 dim-0 vars, 1 dim-2 vars, End of recursive call: 47 dim-0 vars, and 1 xjuncts. [2018-11-18 12:02:50,243 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 49 variables, input treesize:700, output treesize:717 [2018-11-18 12:03:10,601 WARN L180 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 308 [2018-11-18 12:03:10,994 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_56| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_56| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:03:11,399 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_57| Int) (|v_#Ultimate.C_memset_#t~loopctr253_56| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_56| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_57| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:03:11,877 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_57| Int) (|v_#Ultimate.C_memset_#t~loopctr253_58| Int) (|v_#Ultimate.C_memset_#t~loopctr253_56| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_56| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_57| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_58| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:03:12,420 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_59| Int) (|v_#Ultimate.C_memset_#t~loopctr253_57| Int) (|v_#Ultimate.C_memset_#t~loopctr253_58| Int) (|v_#Ultimate.C_memset_#t~loopctr253_56| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_56| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_57| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_58| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_59| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:03:13,033 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_59| Int) (|v_#Ultimate.C_memset_#t~loopctr253_57| Int) (|v_#Ultimate.C_memset_#t~loopctr253_58| Int) (|v_#Ultimate.C_memset_#t~loopctr253_56| Int) (|v_#Ultimate.C_memset_#t~loopctr253_60| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_56| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_57| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_58| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_59| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_60|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:03:14,047 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_59| Int) (|v_#Ultimate.C_memset_#t~loopctr253_57| Int) (|v_#Ultimate.C_memset_#t~loopctr253_58| Int) (|v_#Ultimate.C_memset_#t~loopctr253_56| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_60| Int) (|v_#Ultimate.C_memset_#t~loopctr253_61| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_56| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_57| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_58| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_59| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_60|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_61|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:03:15,094 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_59| Int) (|v_#Ultimate.C_memset_#t~loopctr253_57| Int) (|v_#Ultimate.C_memset_#t~loopctr253_58| Int) (|v_#Ultimate.C_memset_#t~loopctr253_56| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_60| Int) (|v_#Ultimate.C_memset_#t~loopctr253_61| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_56| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_57| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_58| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_59| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_60|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_61|) |#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:03:15,260 INFO L303 Elim1Store]: Index analysis took 149 ms [2018-11-18 12:03:15,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 60 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 475 treesize of output 584 [2018-11-18 12:03:15,268 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 35 treesize of output 38 [2018-11-18 12:03:15,276 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2018-11-18 12:03:15,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2018-11-18 12:03:15,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-18 12:03:15,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-18 12:03:15,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 55 [2018-11-18 12:03:15,382 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:03:15,402 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:15,421 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:15,441 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:15,462 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:15,482 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:15,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:16,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 56 dim-0 vars, 1 dim-2 vars, End of recursive call: 55 dim-0 vars, and 1 xjuncts. [2018-11-18 12:03:16,141 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 57 variables, input treesize:755, output treesize:792 [2018-11-18 12:03:38,103 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 333 [2018-11-18 12:03:38,494 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_62| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_62|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:03:38,922 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_62| Int) (|v_#Ultimate.C_memset_#t~loopctr253_63| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_62|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_63|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:03:39,404 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_64| Int) (|v_#Ultimate.C_memset_#t~loopctr253_62| Int) (|v_#Ultimate.C_memset_#t~loopctr253_63| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_62|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_63|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_64| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:03:39,954 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_64| Int) (|v_#Ultimate.C_memset_#t~loopctr253_65| Int) (|v_#Ultimate.C_memset_#t~loopctr253_62| Int) (|v_#Ultimate.C_memset_#t~loopctr253_63| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_62|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_63|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_64| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_65| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:03:40,576 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_66| Int) (|v_#Ultimate.C_memset_#t~loopctr253_64| Int) (|v_#Ultimate.C_memset_#t~loopctr253_65| Int) (|v_#Ultimate.C_memset_#t~loopctr253_62| Int) (|v_#Ultimate.C_memset_#t~loopctr253_63| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_62|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_63|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_64| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_65| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_66| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:03:41,602 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_66| Int) (|v_#Ultimate.C_memset_#t~loopctr253_67| Int) (|v_#Ultimate.C_memset_#t~loopctr253_64| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_65| Int) (|v_#Ultimate.C_memset_#t~loopctr253_62| Int) (|v_#Ultimate.C_memset_#t~loopctr253_63| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_62|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_63|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_64| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_65| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_66| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_67| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:03:42,694 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_66| Int) (|v_#Ultimate.C_memset_#t~loopctr253_67| Int) (|v_#Ultimate.C_memset_#t~loopctr253_64| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_65| Int) (|v_#Ultimate.C_memset_#t~loopctr253_62| Int) (|v_#Ultimate.C_memset_#t~loopctr253_63| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_62|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_63|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_64| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_65| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_66| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_67| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:03:42,905 INFO L303 Elim1Store]: Index analysis took 193 ms [2018-11-18 12:03:42,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 63 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 550 treesize of output 691 [2018-11-18 12:03:42,913 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 35 treesize of output 38 [2018-11-18 12:03:42,922 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2018-11-18 12:03:42,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2018-11-18 12:03:42,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-18 12:03:42,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-18 12:03:43,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 55 [2018-11-18 12:03:43,011 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:03:43,034 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:43,053 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:43,072 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:43,093 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:43,118 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:43,403 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:03:43,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 1 dim-2 vars, End of recursive call: 63 dim-0 vars, and 1 xjuncts. [2018-11-18 12:03:43,879 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 65 variables, input treesize:830, output treesize:867 [2018-11-18 12:04:09,187 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 358 [2018-11-18 12:04:09,591 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_68| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_68| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)))) is different from true [2018-11-18 12:04:10,012 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_68| Int) (|v_#Ultimate.C_memset_#t~loopctr253_69| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_68| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_69| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:04:10,467 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_68| Int) (|v_#Ultimate.C_memset_#t~loopctr253_69| Int) (|v_#Ultimate.C_memset_#t~loopctr253_70| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_68| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_69| |c_#Ultimate.C_memset_#ptr.offset|) |c_#Ultimate.C_memset_#value|) (+ |c_#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_70|) |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:04:11,134 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_68| Int) (|v_#Ultimate.C_memset_#t~loopctr253_69| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_71| Int) (|v_#Ultimate.C_memset_#t~loopctr253_70| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (store (store (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_68| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_69| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_70|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_71|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:04:11,800 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr253_68| Int) (|v_#Ultimate.C_memset_#t~loopctr253_69| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr253_71| Int) (|v_#Ultimate.C_memset_#t~loopctr253_70| Int)) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (store (store (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr253_68| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |v_#Ultimate.C_memset_#t~loopctr253_69| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_70|) |#Ultimate.C_memset_#value|) (+ |#Ultimate.C_memset_#ptr.offset| |v_#Ultimate.C_memset_#t~loopctr253_71|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2018-11-18 12:04:11,959 INFO L303 Elim1Store]: Index analysis took 138 ms [2018-11-18 12:04:11,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 65 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 615 treesize of output 792 [2018-11-18 12:04:11,970 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 25 treesize of output 28 [2018-11-18 12:04:11,981 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2018-11-18 12:04:12,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-11-18 12:04:12,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-11-18 12:04:12,054 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:04:12,071 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:04:12,089 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:04:12,107 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:04:12,407 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:04:12,898 INFO L267 ElimStorePlain]: Start of recursive call 1: 70 dim-0 vars, 1 dim-2 vars, End of recursive call: 69 dim-0 vars, and 1 xjuncts. [2018-11-18 12:04:12,898 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 71 variables, input treesize:895, output treesize:912 [2018-11-18 12:04:34,093 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-18 12:04:34,294 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:04:34,295 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:141) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:928) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2018-11-18 12:04:34,297 INFO L168 Benchmark]: Toolchain (without parser) took 291007.53 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 644.3 MB). Free memory was 954.8 MB in the beginning and 1.2 GB in the end (delta: -242.8 MB). Peak memory consumption was 401.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:04:34,298 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:04:34,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1343.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 243.3 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -49.7 MB). Peak memory consumption was 308.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:04:34,298 INFO L168 Benchmark]: Boogie Preprocessor took 101.81 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 995.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:04:34,299 INFO L168 Benchmark]: RCFGBuilder took 3594.83 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 110.6 MB). Free memory was 995.9 MB in the beginning and 1.1 GB in the end (delta: -119.1 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:04:34,299 INFO L168 Benchmark]: TraceAbstraction took 285964.50 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 290.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.6 MB). Peak memory consumption was 207.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:04:34,300 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1343.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 243.3 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -49.7 MB). Peak memory consumption was 308.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.81 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 995.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3594.83 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 110.6 MB). Free memory was 995.9 MB in the beginning and 1.1 GB in the end (delta: -119.1 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 285964.50 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 290.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.6 MB). Peak memory consumption was 207.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 12:04:35,504 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:04:35,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:04:35,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:04:35,514 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:04:35,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:04:35,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:04:35,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:04:35,517 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:04:35,518 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:04:35,518 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:04:35,519 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:04:35,519 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:04:35,520 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:04:35,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:04:35,522 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:04:35,522 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:04:35,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:04:35,525 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:04:35,526 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:04:35,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:04:35,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:04:35,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:04:35,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:04:35,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:04:35,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:04:35,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:04:35,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:04:35,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:04:35,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:04:35,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:04:35,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:04:35,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:04:35,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:04:35,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:04:35,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:04:35,535 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2018-11-18 12:04:35,546 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:04:35,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:04:35,546 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:04:35,547 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:04:35,547 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:04:35,547 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:04:35,547 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:04:35,547 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:04:35,548 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:04:35,548 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:04:35,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:04:35,549 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:04:35,549 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:04:35,549 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:04:35,549 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:04:35,549 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:04:35,549 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:04:35,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:04:35,550 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:04:35,550 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:04:35,550 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:04:35,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:04:35,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:04:35,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:04:35,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:04:35,551 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 12:04:35,551 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:04:35,551 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:04:35,551 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:04:35,551 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:04:35,551 INFO L133 SettingsManager]: * To the following directory=dump/ 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_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68973d1d628799fb79308611b6c84a5074c21cb2 [2018-11-18 12:04:35,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:04:35,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:04:35,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:04:35,594 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:04:35,594 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:04:35,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 12:04:35,638 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data/a700b7e84/ac8de47e985b45e09cb9f0b10d1b4ea2/FLAG67cc851d0 [2018-11-18 12:04:36,162 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:04:36,163 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 12:04:36,179 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data/a700b7e84/ac8de47e985b45e09cb9f0b10d1b4ea2/FLAG67cc851d0 [2018-11-18 12:04:36,621 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/data/a700b7e84/ac8de47e985b45e09cb9f0b10d1b4ea2 [2018-11-18 12:04:36,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:04:36,624 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:04:36,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:04:36,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:04:36,627 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:04:36,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:04:36" (1/1) ... [2018-11-18 12:04:36,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f60b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:36, skipping insertion in model container [2018-11-18 12:04:36,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:04:36" (1/1) ... [2018-11-18 12:04:36,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:04:36,689 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:04:37,525 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:04:37,677 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:04:37,906 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:04:37,975 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:04:37,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37 WrapperNode [2018-11-18 12:04:37,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:04:37,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:04:37,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:04:37,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:04:37,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (1/1) ... [2018-11-18 12:04:37,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (1/1) ... [2018-11-18 12:04:38,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (1/1) ... [2018-11-18 12:04:38,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (1/1) ... [2018-11-18 12:04:38,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (1/1) ... [2018-11-18 12:04:38,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (1/1) ... [2018-11-18 12:04:38,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (1/1) ... [2018-11-18 12:04:38,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:04:38,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:04:38,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:04:38,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:04:38,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:04:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:04:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:04:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2018-11-18 12:04:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-18 12:04:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-18 12:04:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-18 12:04:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-18 12:04:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-18 12:04:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-18 12:04:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2018-11-18 12:04:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-18 12:04:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-18 12:04:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2018-11-18 12:04:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2018-11-18 12:04:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_release [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_ioctl [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_ctl_ioctl [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_ctl_compat_ioctl [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_devnode [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_init [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_exit [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-18 12:04:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_6 [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_7 [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_8 [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_9 [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2018-11-18 12:04:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2018-11-18 12:04:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-18 12:04:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2018-11-18 12:04:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2018-11-18 12:04:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 12:04:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-18 12:04:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-18 12:04:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:04:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-18 12:04:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2018-11-18 12:04:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2018-11-18 12:04:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2018-11-18 12:04:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-18 12:04:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-18 12:04:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-18 12:04:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-18 12:04:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-18 12:04:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-18 12:04:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_6 [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 12:04:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:04:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-18 12:04:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2018-11-18 12:04:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 12:04:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 12:04:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-18 12:04:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:04:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-18 12:04:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2018-11-18 12:04:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure bdget [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_ioctl [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_get [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2018-11-18 12:04:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure igrab [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2018-11-18 12:04:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2018-11-18 12:04:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2018-11-18 12:04:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-18 12:04:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2018-11-18 12:04:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2018-11-18 12:04:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_7 [2018-11-18 12:04:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2018-11-18 12:04:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2018-11-18 12:04:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_8 [2018-11-18 12:04:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_9 [2018-11-18 12:04:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2018-11-18 12:04:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2018-11-18 12:04:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2018-11-18 12:04:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2018-11-18 12:04:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:04:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure raw_release [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure raw_ioctl [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure raw_ctl_ioctl [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2018-11-18 12:04:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure raw_ctl_compat_ioctl [2018-11-18 12:04:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure raw_devnode [2018-11-18 12:04:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure raw_init [2018-11-18 12:04:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure raw_exit [2018-11-18 12:04:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 12:04:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 12:04:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2018-11-18 12:04:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:04:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2018-11-18 12:04:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-18 12:04:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:04:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 12:04:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2018-11-18 12:04:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2018-11-18 12:04:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 12:04:42,063 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:04:42,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:04:42 BoogieIcfgContainer [2018-11-18 12:04:42,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:04:42,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:04:42,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:04:42,066 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:04:42,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:04:36" (1/3) ... [2018-11-18 12:04:42,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154b20d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:04:42, skipping insertion in model container [2018-11-18 12:04:42,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:04:37" (2/3) ... [2018-11-18 12:04:42,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154b20d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:04:42, skipping insertion in model container [2018-11-18 12:04:42,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:04:42" (3/3) ... [2018-11-18 12:04:42,068 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point_false-unreach-call.cil.out.c [2018-11-18 12:04:42,074 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:04:42,080 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:04:42,089 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:04:42,112 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:04:42,112 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:04:42,113 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:04:42,113 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:04:42,113 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:04:42,113 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:04:42,113 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:04:42,113 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:04:42,113 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:04:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2018-11-18 12:04:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 12:04:42,140 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:42,141 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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, 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] [2018-11-18 12:04:42,142 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:04:42,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:42,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1645626132, now seen corresponding path program 1 times [2018-11-18 12:04:42,150 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:04:42,151 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:04:42,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:42,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-18 12:04:42,570 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:04:42,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:42,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:04:42,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:42,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:42,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:42,594 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 3 states. [2018-11-18 12:04:42,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:42,704 INFO L93 Difference]: Finished difference Result 937 states and 1264 transitions. [2018-11-18 12:04:42,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:42,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2018-11-18 12:04:42,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:42,721 INFO L225 Difference]: With dead ends: 937 [2018-11-18 12:04:42,721 INFO L226 Difference]: Without dead ends: 607 [2018-11-18 12:04:42,725 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:42,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2018-11-18 12:04:42,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 604. [2018-11-18 12:04:42,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2018-11-18 12:04:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 806 transitions. [2018-11-18 12:04:42,795 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 806 transitions. Word has length 198 [2018-11-18 12:04:42,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:42,796 INFO L480 AbstractCegarLoop]: Abstraction has 604 states and 806 transitions. [2018-11-18 12:04:42,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 806 transitions. [2018-11-18 12:04:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 12:04:42,802 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:42,802 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 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, 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, 1, 1, 1] [2018-11-18 12:04:42,802 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:04:42,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:42,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1318734475, now seen corresponding path program 1 times [2018-11-18 12:04:42,804 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:04:42,805 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:04:42,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:43,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-18 12:04:43,173 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:04:43,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:43,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:04:43,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:43,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:43,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:43,178 INFO L87 Difference]: Start difference. First operand 604 states and 806 transitions. Second operand 3 states. [2018-11-18 12:04:43,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:43,299 INFO L93 Difference]: Finished difference Result 1388 states and 1864 transitions. [2018-11-18 12:04:43,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:43,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2018-11-18 12:04:43,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:43,305 INFO L225 Difference]: With dead ends: 1388 [2018-11-18 12:04:43,305 INFO L226 Difference]: Without dead ends: 831 [2018-11-18 12:04:43,307 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:43,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-11-18 12:04:43,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 818. [2018-11-18 12:04:43,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2018-11-18 12:04:43,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1103 transitions. [2018-11-18 12:04:43,343 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1103 transitions. Word has length 219 [2018-11-18 12:04:43,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:43,343 INFO L480 AbstractCegarLoop]: Abstraction has 818 states and 1103 transitions. [2018-11-18 12:04:43,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1103 transitions. [2018-11-18 12:04:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 12:04:43,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:43,349 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 1, 1, 1, 1, 1] [2018-11-18 12:04:43,349 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:04:43,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:43,349 INFO L82 PathProgramCache]: Analyzing trace with hash -2057518972, now seen corresponding path program 1 times [2018-11-18 12:04:43,350 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:04:43,350 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:04:43,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:43,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2018-11-18 12:04:43,766 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:04:43,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:43,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:04:43,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:04:43,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:04:43,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:43,771 INFO L87 Difference]: Start difference. First operand 818 states and 1103 transitions. Second operand 3 states. [2018-11-18 12:04:45,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:45,915 INFO L93 Difference]: Finished difference Result 1822 states and 2486 transitions. [2018-11-18 12:04:45,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:04:45,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2018-11-18 12:04:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:45,921 INFO L225 Difference]: With dead ends: 1822 [2018-11-18 12:04:45,921 INFO L226 Difference]: Without dead ends: 1059 [2018-11-18 12:04:45,923 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:04:45,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2018-11-18 12:04:45,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1046. [2018-11-18 12:04:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2018-11-18 12:04:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1425 transitions. [2018-11-18 12:04:45,962 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1425 transitions. Word has length 271 [2018-11-18 12:04:45,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:45,963 INFO L480 AbstractCegarLoop]: Abstraction has 1046 states and 1425 transitions. [2018-11-18 12:04:45,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:04:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1425 transitions. [2018-11-18 12:04:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 12:04:45,967 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:45,968 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:45,968 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:04:45,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:45,968 INFO L82 PathProgramCache]: Analyzing trace with hash 967485944, now seen corresponding path program 1 times [2018-11-18 12:04:45,969 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:04:45,969 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:04:45,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:46,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2018-11-18 12:04:46,361 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:04:46,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:46,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:04:46,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:04:46,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:04:46,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:46,365 INFO L87 Difference]: Start difference. First operand 1046 states and 1425 transitions. Second operand 6 states. [2018-11-18 12:04:48,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:48,530 INFO L93 Difference]: Finished difference Result 2064 states and 2816 transitions. [2018-11-18 12:04:48,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:04:48,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 288 [2018-11-18 12:04:48,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:48,535 INFO L225 Difference]: With dead ends: 2064 [2018-11-18 12:04:48,535 INFO L226 Difference]: Without dead ends: 1054 [2018-11-18 12:04:48,537 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:04:48,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-11-18 12:04:48,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1013. [2018-11-18 12:04:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1013 states. [2018-11-18 12:04:48,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1364 transitions. [2018-11-18 12:04:48,568 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1364 transitions. Word has length 288 [2018-11-18 12:04:48,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:48,569 INFO L480 AbstractCegarLoop]: Abstraction has 1013 states and 1364 transitions. [2018-11-18 12:04:48,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:04:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1364 transitions. [2018-11-18 12:04:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 12:04:48,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:48,573 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:04:48,573 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:04:48,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:48,574 INFO L82 PathProgramCache]: Analyzing trace with hash 2091846113, now seen corresponding path program 1 times [2018-11-18 12:04:48,574 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:04:48,575 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:04:48,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:49,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2018-11-18 12:04:49,757 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:04:49,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:04:49,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:04:49,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:04:49,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:04:49,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:04:49,764 INFO L87 Difference]: Start difference. First operand 1013 states and 1364 transitions. Second operand 6 states. [2018-11-18 12:04:49,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:49,992 INFO L93 Difference]: Finished difference Result 2009 states and 2719 transitions. [2018-11-18 12:04:49,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:04:49,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 297 [2018-11-18 12:04:49,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:49,995 INFO L225 Difference]: With dead ends: 2009 [2018-11-18 12:04:49,995 INFO L226 Difference]: Without dead ends: 1014 [2018-11-18 12:04:49,997 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:04:49,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2018-11-18 12:04:50,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 1014. [2018-11-18 12:04:50,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2018-11-18 12:04:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1365 transitions. [2018-11-18 12:04:50,018 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1365 transitions. Word has length 297 [2018-11-18 12:04:50,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:50,019 INFO L480 AbstractCegarLoop]: Abstraction has 1014 states and 1365 transitions. [2018-11-18 12:04:50,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:04:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1365 transitions. [2018-11-18 12:04:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-18 12:04:50,021 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:50,021 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:04:50,021 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:04:50,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:50,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1582825999, now seen corresponding path program 1 times [2018-11-18 12:04:50,023 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:04:50,023 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:04:50,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:04:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:04:50,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:04:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 196 proven. 1 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2018-11-18 12:04:50,996 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:04:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2018-11-18 12:04:51,440 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:04:51,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-11-18 12:04:51,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:04:51,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:04:51,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:04:51,441 INFO L87 Difference]: Start difference. First operand 1014 states and 1365 transitions. Second operand 11 states. [2018-11-18 12:04:51,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:04:51,733 INFO L93 Difference]: Finished difference Result 2016 states and 2727 transitions. [2018-11-18 12:04:51,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:04:51,734 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 311 [2018-11-18 12:04:51,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:04:51,737 INFO L225 Difference]: With dead ends: 2016 [2018-11-18 12:04:51,738 INFO L226 Difference]: Without dead ends: 1020 [2018-11-18 12:04:51,740 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 611 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:04:51,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2018-11-18 12:04:51,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2018-11-18 12:04:51,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2018-11-18 12:04:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1371 transitions. [2018-11-18 12:04:51,777 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1371 transitions. Word has length 311 [2018-11-18 12:04:51,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:04:51,777 INFO L480 AbstractCegarLoop]: Abstraction has 1020 states and 1371 transitions. [2018-11-18 12:04:51,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:04:51,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1371 transitions. [2018-11-18 12:04:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 12:04:51,781 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:04:51,781 INFO L375 BasicCegarLoop]: trace histogram [24, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:04:51,781 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:04:51,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:04:51,782 INFO L82 PathProgramCache]: Analyzing trace with hash 370826461, now seen corresponding path program 2 times [2018-11-18 12:04:51,783 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:04:51,783 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:04:51,812 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 12:05:00,306 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:05:00,307 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:05:00,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:05:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1286 backedges. 251 proven. 3 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2018-11-18 12:05:00,713 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:05:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1286 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2018-11-18 12:05:01,000 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:05:01,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-11-18 12:05:01,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 12:05:01,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 12:05:01,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:05:01,001 INFO L87 Difference]: Start difference. First operand 1020 states and 1371 transitions. Second operand 13 states. [2018-11-18 12:05:01,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:05:01,444 INFO L93 Difference]: Finished difference Result 2026 states and 2736 transitions. [2018-11-18 12:05:01,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:05:01,444 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 323 [2018-11-18 12:05:01,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:05:01,446 INFO L225 Difference]: With dead ends: 2026 [2018-11-18 12:05:01,446 INFO L226 Difference]: Without dead ends: 1021 [2018-11-18 12:05:01,448 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 633 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:05:01,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-11-18 12:05:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2018-11-18 12:05:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2018-11-18 12:05:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1372 transitions. [2018-11-18 12:05:01,466 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1372 transitions. Word has length 323 [2018-11-18 12:05:01,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:05:01,466 INFO L480 AbstractCegarLoop]: Abstraction has 1021 states and 1372 transitions. [2018-11-18 12:05:01,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 12:05:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1372 transitions. [2018-11-18 12:05:01,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-18 12:05:01,468 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:05:01,468 INFO L375 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:05:01,468 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:05:01,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:01,469 INFO L82 PathProgramCache]: Analyzing trace with hash 181643889, now seen corresponding path program 3 times [2018-11-18 12:05:01,469 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:05:01,469 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:05:01,494 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-18 12:05:29,698 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-18 12:05:29,699 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:05:29,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:05:30,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 1716 trivial. 0 not checked. [2018-11-18 12:05:30,001 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:05:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1780 trivial. 0 not checked. [2018-11-18 12:05:30,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:05:30,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-18 12:05:30,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:05:30,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:05:30,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:05:30,232 INFO L87 Difference]: Start difference. First operand 1021 states and 1372 transitions. Second operand 7 states. [2018-11-18 12:05:32,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:05:32,985 INFO L93 Difference]: Finished difference Result 1979 states and 2671 transitions. [2018-11-18 12:05:32,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:05:32,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 335 [2018-11-18 12:05:32,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:05:32,988 INFO L225 Difference]: With dead ends: 1979 [2018-11-18 12:05:32,988 INFO L226 Difference]: Without dead ends: 1021 [2018-11-18 12:05:32,990 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:05:32,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-11-18 12:05:33,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2018-11-18 12:05:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2018-11-18 12:05:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1370 transitions. [2018-11-18 12:05:33,023 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1370 transitions. Word has length 335 [2018-11-18 12:05:33,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:05:33,024 INFO L480 AbstractCegarLoop]: Abstraction has 1021 states and 1370 transitions. [2018-11-18 12:05:33,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:05:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1370 transitions. [2018-11-18 12:05:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-18 12:05:33,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:05:33,026 INFO L375 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:05:33,026 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:05:33,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:33,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1138650163, now seen corresponding path program 1 times [2018-11-18 12:05:33,028 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:05:33,028 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:05:33,052 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:05:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:05:34,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:05:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 328 proven. 6 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2018-11-18 12:05:34,148 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:05:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2018-11-18 12:05:34,443 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:05:34,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-18 12:05:34,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 12:05:34,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 12:05:34,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:05:34,444 INFO L87 Difference]: Start difference. First operand 1021 states and 1370 transitions. Second operand 15 states. [2018-11-18 12:05:34,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:05:34,871 INFO L93 Difference]: Finished difference Result 2028 states and 2734 transitions. [2018-11-18 12:05:34,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:05:34,872 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 333 [2018-11-18 12:05:34,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:05:34,875 INFO L225 Difference]: With dead ends: 2028 [2018-11-18 12:05:34,875 INFO L226 Difference]: Without dead ends: 1022 [2018-11-18 12:05:34,877 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 651 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:05:34,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2018-11-18 12:05:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2018-11-18 12:05:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2018-11-18 12:05:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1371 transitions. [2018-11-18 12:05:34,908 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1371 transitions. Word has length 333 [2018-11-18 12:05:34,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:05:34,908 INFO L480 AbstractCegarLoop]: Abstraction has 1022 states and 1371 transitions. [2018-11-18 12:05:34,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 12:05:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1371 transitions. [2018-11-18 12:05:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-11-18 12:05:34,910 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:05:34,910 INFO L375 BasicCegarLoop]: trace histogram [48, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:05:34,911 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:05:34,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:34,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1072020197, now seen corresponding path program 1 times [2018-11-18 12:05:34,912 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:05:34,912 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:05:34,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:05:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:05:35,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:05:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2426 backedges. 755 proven. 10 refuted. 0 times theorem prover too weak. 1661 trivial. 0 not checked. [2018-11-18 12:05:36,083 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:05:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2426 backedges. 31 proven. 320 refuted. 0 times theorem prover too weak. 2075 trivial. 0 not checked. [2018-11-18 12:05:36,610 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:05:36,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-11-18 12:05:36,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 12:05:36,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 12:05:36,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-11-18 12:05:36,611 INFO L87 Difference]: Start difference. First operand 1022 states and 1371 transitions. Second operand 17 states. [2018-11-18 12:05:37,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:05:37,274 INFO L93 Difference]: Finished difference Result 2033 states and 2741 transitions. [2018-11-18 12:05:37,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:05:37,275 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 347 [2018-11-18 12:05:37,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:05:37,279 INFO L225 Difference]: With dead ends: 2033 [2018-11-18 12:05:37,279 INFO L226 Difference]: Without dead ends: 1031 [2018-11-18 12:05:37,281 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 677 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2018-11-18 12:05:37,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2018-11-18 12:05:37,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 1031. [2018-11-18 12:05:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1031 states. [2018-11-18 12:05:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1380 transitions. [2018-11-18 12:05:37,314 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1380 transitions. Word has length 347 [2018-11-18 12:05:37,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:05:37,314 INFO L480 AbstractCegarLoop]: Abstraction has 1031 states and 1380 transitions. [2018-11-18 12:05:37,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 12:05:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1380 transitions. [2018-11-18 12:05:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-18 12:05:37,317 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:05:37,317 INFO L375 BasicCegarLoop]: trace histogram [55, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 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, 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, 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, 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] [2018-11-18 12:05:37,317 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:05:37,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:37,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1020416175, now seen corresponding path program 2 times [2018-11-18 12:05:37,319 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:05:37,319 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:05:37,344 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 12:05:45,922 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:05:45,922 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:05:46,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:05:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2867 backedges. 876 proven. 15 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2018-11-18 12:05:46,344 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:05:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2867 backedges. 36 proven. 411 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 12:05:46,777 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:05:46,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-11-18 12:05:46,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 12:05:46,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 12:05:46,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:05:46,778 INFO L87 Difference]: Start difference. First operand 1031 states and 1380 transitions. Second operand 19 states. [2018-11-18 12:05:47,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:05:47,525 INFO L93 Difference]: Finished difference Result 2043 states and 2743 transitions. [2018-11-18 12:05:47,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 12:05:47,526 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 354 [2018-11-18 12:05:47,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:05:47,530 INFO L225 Difference]: With dead ends: 2043 [2018-11-18 12:05:47,530 INFO L226 Difference]: Without dead ends: 1032 [2018-11-18 12:05:47,532 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 689 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2018-11-18 12:05:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2018-11-18 12:05:47,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2018-11-18 12:05:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-11-18 12:05:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1381 transitions. [2018-11-18 12:05:47,564 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1381 transitions. Word has length 354 [2018-11-18 12:05:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:05:47,565 INFO L480 AbstractCegarLoop]: Abstraction has 1032 states and 1381 transitions. [2018-11-18 12:05:47,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 12:05:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1381 transitions. [2018-11-18 12:05:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-11-18 12:05:47,567 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:05:47,568 INFO L375 BasicCegarLoop]: trace histogram [62, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:05:47,568 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:05:47,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:47,568 INFO L82 PathProgramCache]: Analyzing trace with hash -629601, now seen corresponding path program 2 times [2018-11-18 12:05:47,569 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:05:47,569 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:05:47,592 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:05:55,661 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:05:55,661 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:05:56,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:05:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3359 backedges. 1009 proven. 21 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2018-11-18 12:05:56,169 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:05:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3359 backedges. 41 proven. 515 refuted. 0 times theorem prover too weak. 2803 trivial. 0 not checked. [2018-11-18 12:05:56,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:05:56,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-11-18 12:05:56,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-18 12:05:56,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-18 12:05:56,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2018-11-18 12:05:56,747 INFO L87 Difference]: Start difference. First operand 1032 states and 1381 transitions. Second operand 21 states. [2018-11-18 12:05:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:05:57,563 INFO L93 Difference]: Finished difference Result 2045 states and 2745 transitions. [2018-11-18 12:05:57,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 12:05:57,564 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 359 [2018-11-18 12:05:57,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:05:57,567 INFO L225 Difference]: With dead ends: 2045 [2018-11-18 12:05:57,567 INFO L226 Difference]: Without dead ends: 1033 [2018-11-18 12:05:57,569 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 697 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2018-11-18 12:05:57,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2018-11-18 12:05:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2018-11-18 12:05:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-11-18 12:05:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1382 transitions. [2018-11-18 12:05:57,600 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1382 transitions. Word has length 359 [2018-11-18 12:05:57,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:05:57,601 INFO L480 AbstractCegarLoop]: Abstraction has 1033 states and 1382 transitions. [2018-11-18 12:05:57,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-18 12:05:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1382 transitions. [2018-11-18 12:05:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-18 12:05:57,604 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:05:57,604 INFO L375 BasicCegarLoop]: trace histogram [69, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:05:57,604 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:05:57,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:05:57,604 INFO L82 PathProgramCache]: Analyzing trace with hash 2039710771, now seen corresponding path program 3 times [2018-11-18 12:05:57,605 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:05:57,606 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:05:57,630 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-18 12:08:32,815 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2018-11-18 12:08:32,815 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:08:33,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:08:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3898 backedges. 714 proven. 28 refuted. 0 times theorem prover too weak. 3156 trivial. 0 not checked. [2018-11-18 12:08:33,187 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:08:33,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3898 backedges. 650 proven. 28 refuted. 0 times theorem prover too weak. 3220 trivial. 0 not checked. [2018-11-18 12:08:33,766 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:08:33,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-11-18 12:08:33,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-18 12:08:33,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-18 12:08:33,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2018-11-18 12:08:33,767 INFO L87 Difference]: Start difference. First operand 1033 states and 1382 transitions. Second operand 23 states. [2018-11-18 12:08:34,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:34,657 INFO L93 Difference]: Finished difference Result 2047 states and 2747 transitions. [2018-11-18 12:08:34,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:08:34,658 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 366 [2018-11-18 12:08:34,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:34,660 INFO L225 Difference]: With dead ends: 2047 [2018-11-18 12:08:34,660 INFO L226 Difference]: Without dead ends: 1034 [2018-11-18 12:08:34,662 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 709 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=701, Unknown=0, NotChecked=0, Total=870 [2018-11-18 12:08:34,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2018-11-18 12:08:34,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1034. [2018-11-18 12:08:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-18 12:08:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1383 transitions. [2018-11-18 12:08:34,681 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1383 transitions. Word has length 366 [2018-11-18 12:08:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:34,682 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1383 transitions. [2018-11-18 12:08:34,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-18 12:08:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1383 transitions. [2018-11-18 12:08:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-18 12:08:34,684 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:34,684 INFO L375 BasicCegarLoop]: trace histogram [76, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:34,684 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:34,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:34,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1508682527, now seen corresponding path program 4 times [2018-11-18 12:08:34,685 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:08:34,685 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08b11982-8068-4ea8-81e2-04a5382d7998/bin-2019/uautomizer/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:08:34,710 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:08:35,007 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:08:35,008 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.partitionStmtsAccordingToConstantSize(AnnotateAndAsserterWithStmtOrderPrioritization.java:377) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.annotateAndAssertStmtsAccording5Heuristic(AnnotateAndAsserterWithStmtOrderPrioritization.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserterWithStmtOrderPrioritization.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 12:08:35,011 INFO L168 Benchmark]: Toolchain (without parser) took 238387.41 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 851.4 MB). Free memory was 943.3 MB in the beginning and 764.2 MB in the end (delta: 179.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 12:08:35,012 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:08:35,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1351.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 245.9 MB). Free memory was 937.9 MB in the beginning and 888.5 MB in the end (delta: 49.4 MB). Peak memory consumption was 316.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:08:35,013 INFO L168 Benchmark]: Boogie Preprocessor took 106.47 ms. Allocated memory is still 1.3 GB. Free memory was 888.5 MB in the beginning and 879.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:08:35,013 INFO L168 Benchmark]: RCFGBuilder took 3980.23 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 29.9 MB). Free memory was 879.2 MB in the beginning and 910.2 MB in the end (delta: -31.0 MB). Peak memory consumption was 158.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:08:35,013 INFO L168 Benchmark]: TraceAbstraction took 232946.82 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 575.7 MB). Free memory was 910.2 MB in the beginning and 764.2 MB in the end (delta: 146.0 MB). Peak memory consumption was 721.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:08:35,016 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 1351.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 245.9 MB). Free memory was 937.9 MB in the beginning and 888.5 MB in the end (delta: 49.4 MB). Peak memory consumption was 316.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.47 ms. Allocated memory is still 1.3 GB. Free memory was 888.5 MB in the beginning and 879.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3980.23 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 29.9 MB). Free memory was 879.2 MB in the beginning and 910.2 MB in the end (delta: -31.0 MB). Peak memory consumption was 158.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 232946.82 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 575.7 MB). Free memory was 910.2 MB in the beginning and 764.2 MB in the end (delta: 146.0 MB). Peak memory consumption was 721.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:358) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...