./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c57ebc44b313bf301635c00d4458ecfdd41286b1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c57ebc44b313bf301635c00d4458ecfdd41286b1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:00:02,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:00:02,186 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:00:02,192 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:00:02,192 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:00:02,192 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:00:02,193 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:00:02,194 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:00:02,195 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:00:02,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:00:02,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:00:02,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:00:02,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:00:02,197 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:00:02,197 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:00:02,198 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:00:02,198 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:00:02,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:00:02,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:00:02,201 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:00:02,201 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:00:02,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:00:02,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:00:02,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:00:02,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:00:02,204 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:00:02,204 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:00:02,205 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:00:02,205 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:00:02,206 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:00:02,206 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:00:02,206 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:00:02,206 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:00:02,206 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:00:02,207 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:00:02,207 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:00:02,207 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2018-12-02 06:00:02,215 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:00:02,215 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:00:02,215 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:00:02,215 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:00:02,216 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:00:02,216 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:00:02,216 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:00:02,216 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:00:02,216 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:00:02,216 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:00:02,216 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:00:02,216 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:00:02,216 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:00:02,216 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:00:02,217 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:00:02,217 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:00:02,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:00:02,218 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:00:02,218 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:00:02,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:00:02,218 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:00:02,218 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:00:02,218 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:00:02,218 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:00:02,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:00:02,218 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c57ebc44b313bf301635c00d4458ecfdd41286b1 [2018-12-02 06:00:02,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:00:02,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:00:02,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:00:02,245 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:00:02,245 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:00:02,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-02 06:00:02,281 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data/5b5d1c9f4/1415fc3f39e04bd3b6579735ba0c259b/FLAG53cad1716 [2018-12-02 06:00:02,763 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:00:02,763 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-02 06:00:02,772 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data/5b5d1c9f4/1415fc3f39e04bd3b6579735ba0c259b/FLAG53cad1716 [2018-12-02 06:00:02,780 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data/5b5d1c9f4/1415fc3f39e04bd3b6579735ba0c259b [2018-12-02 06:00:02,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:00:02,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:00:02,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:00:02,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:00:02,785 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:00:02,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:02" (1/1) ... [2018-12-02 06:00:02,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5fc0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:02, skipping insertion in model container [2018-12-02 06:00:02,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:02" (1/1) ... [2018-12-02 06:00:02,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:00:02,818 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:00:03,181 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:00:03,201 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:00:03,252 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:00:03,332 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:00:03,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03 WrapperNode [2018-12-02 06:00:03,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:00:03,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:00:03,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:00:03,333 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:00:03,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:00:03,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:00:03,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:00:03,362 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:00:03,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... [2018-12-02 06:00:03,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:00:03,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:00:03,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:00:03,407 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:00:03,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:00:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2018-12-02 06:00:03,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2018-12-02 06:00:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2018-12-02 06:00:03,440 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2018-12-02 06:00:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:00:03,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:00:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 06:00:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 06:00:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2018-12-02 06:00:03,440 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2018-12-02 06:00:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2018-12-02 06:00:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2018-12-02 06:00:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2018-12-02 06:00:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2018-12-02 06:00:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:00:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 06:00:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure write [2018-12-02 06:00:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2018-12-02 06:00:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 06:00:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2018-12-02 06:00:03,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:00:03,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:00:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 06:00:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2018-12-02 06:00:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2018-12-02 06:00:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:00:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:00:03,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:00:04,248 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:00:04,249 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 06:00:04,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:04 BoogieIcfgContainer [2018-12-02 06:00:04,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:00:04,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:00:04,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:00:04,253 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:00:04,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:00:02" (1/3) ... [2018-12-02 06:00:04,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2568b31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:00:04, skipping insertion in model container [2018-12-02 06:00:04,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:03" (2/3) ... [2018-12-02 06:00:04,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2568b31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:00:04, skipping insertion in model container [2018-12-02 06:00:04,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:04" (3/3) ... [2018-12-02 06:00:04,255 INFO L112 eAbstractionObserver]: Analyzing ICFG basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-02 06:00:04,264 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:00:04,270 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 89 error locations. [2018-12-02 06:00:04,281 INFO L257 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2018-12-02 06:00:04,296 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:00:04,296 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 06:00:04,296 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:00:04,297 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:00:04,297 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:00:04,297 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:00:04,297 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:00:04,297 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:00:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states. [2018-12-02 06:00:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 06:00:04,320 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:04,320 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:04,323 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr19REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr36REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-02 06:00:04,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:04,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1624902308, now seen corresponding path program 1 times [2018-12-02 06:00:04,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:00:04,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:04,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:04,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:04,398 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:00:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:04,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:04,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:00:04,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:00:04,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:00:04,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:00:04,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:00:04,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:00:04,561 INFO L87 Difference]: Start difference. First operand 257 states. Second operand 3 states. [2018-12-02 06:00:04,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:00:04,750 INFO L93 Difference]: Finished difference Result 267 states and 302 transitions. [2018-12-02 06:00:04,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:00:04,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-02 06:00:04,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:00:04,762 INFO L225 Difference]: With dead ends: 267 [2018-12-02 06:00:04,762 INFO L226 Difference]: Without dead ends: 264 [2018-12-02 06:00:04,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:00:04,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-12-02 06:00:04,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 252. [2018-12-02 06:00:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-12-02 06:00:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 286 transitions. [2018-12-02 06:00:04,791 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 286 transitions. Word has length 7 [2018-12-02 06:00:04,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:00:04,792 INFO L480 AbstractCegarLoop]: Abstraction has 252 states and 286 transitions. [2018-12-02 06:00:04,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:00:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 286 transitions. [2018-12-02 06:00:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 06:00:04,792 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:04,792 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:04,792 INFO L423 AbstractCegarLoop]: === Iteration 2 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr19REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr36REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-02 06:00:04,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:04,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1624902307, now seen corresponding path program 1 times [2018-12-02 06:00:04,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:00:04,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:04,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:04,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:04,804 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:00:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:04,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:00:04,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:00:04,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:00:04,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:00:04,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:00:04,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:00:04,896 INFO L87 Difference]: Start difference. First operand 252 states and 286 transitions. Second operand 3 states. [2018-12-02 06:00:05,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:00:05,058 INFO L93 Difference]: Finished difference Result 251 states and 285 transitions. [2018-12-02 06:00:05,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:00:05,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-02 06:00:05,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:00:05,059 INFO L225 Difference]: With dead ends: 251 [2018-12-02 06:00:05,059 INFO L226 Difference]: Without dead ends: 251 [2018-12-02 06:00:05,060 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:00:05,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-12-02 06:00:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-12-02 06:00:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-12-02 06:00:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 285 transitions. [2018-12-02 06:00:05,067 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 285 transitions. Word has length 7 [2018-12-02 06:00:05,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:00:05,068 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 285 transitions. [2018-12-02 06:00:05,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:00:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 285 transitions. [2018-12-02 06:00:05,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 06:00:05,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:05,068 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:05,069 INFO L423 AbstractCegarLoop]: === Iteration 3 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr19REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr36REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-02 06:00:05,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:05,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1111806349, now seen corresponding path program 1 times [2018-12-02 06:00:05,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:00:05,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:05,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:05,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:05,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:00:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:05,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:00:05,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:00:05,175 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:00:05,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:00:05,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:00:05,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:00:05,176 INFO L87 Difference]: Start difference. First operand 251 states and 285 transitions. Second operand 4 states. [2018-12-02 06:00:05,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:00:05,338 INFO L93 Difference]: Finished difference Result 255 states and 289 transitions. [2018-12-02 06:00:05,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:00:05,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-12-02 06:00:05,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:00:05,340 INFO L225 Difference]: With dead ends: 255 [2018-12-02 06:00:05,340 INFO L226 Difference]: Without dead ends: 255 [2018-12-02 06:00:05,340 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:00:05,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-12-02 06:00:05,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2018-12-02 06:00:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-12-02 06:00:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 287 transitions. [2018-12-02 06:00:05,350 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 287 transitions. Word has length 10 [2018-12-02 06:00:05,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:00:05,350 INFO L480 AbstractCegarLoop]: Abstraction has 253 states and 287 transitions. [2018-12-02 06:00:05,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:00:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 287 transitions. [2018-12-02 06:00:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 06:00:05,351 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:05,351 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:05,352 INFO L423 AbstractCegarLoop]: === Iteration 4 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr19REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr36REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-02 06:00:05,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:05,352 INFO L82 PathProgramCache]: Analyzing trace with hash 156249936, now seen corresponding path program 1 times [2018-12-02 06:00:05,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:00:05,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:05,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:05,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:05,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:00:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:05,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:00:05,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 06:00:05,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:00:05,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:00:05,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:00:05,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:00:05,480 INFO L87 Difference]: Start difference. First operand 253 states and 287 transitions. Second operand 6 states. [2018-12-02 06:00:05,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:00:05,625 INFO L93 Difference]: Finished difference Result 254 states and 288 transitions. [2018-12-02 06:00:05,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:00:05,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-12-02 06:00:05,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:00:05,626 INFO L225 Difference]: With dead ends: 254 [2018-12-02 06:00:05,626 INFO L226 Difference]: Without dead ends: 254 [2018-12-02 06:00:05,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:00:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-02 06:00:05,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 251. [2018-12-02 06:00:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-12-02 06:00:05,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 285 transitions. [2018-12-02 06:00:05,633 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 285 transitions. Word has length 14 [2018-12-02 06:00:05,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:00:05,633 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 285 transitions. [2018-12-02 06:00:05,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:00:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 285 transitions. [2018-12-02 06:00:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 06:00:05,633 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:05,634 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:05,634 INFO L423 AbstractCegarLoop]: === Iteration 5 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr19REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr36REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-02 06:00:05,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:05,634 INFO L82 PathProgramCache]: Analyzing trace with hash 548779136, now seen corresponding path program 1 times [2018-12-02 06:00:05,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:00:05,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:05,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:05,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:05,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:00:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:05,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:00:05,714 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:00:05,715 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 16 with the following transitions: [2018-12-02 06:00:05,716 INFO L205 CegarAbsIntRunner]: [97], [98], [101], [107], [109], [110], [113], [115], [119], [121], [214], [215], [473], [474], [475] [2018-12-02 06:00:05,746 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:00:05,746 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:00:05,918 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:00:05,919 INFO L272 AbstractInterpreter]: Visited 15 different actions 30 times. Merged at 4 different actions 12 times. Never widened. Performed 1106 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1106 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 66 variables. [2018-12-02 06:00:05,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:05,930 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:00:05,930 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:00:05,930 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:00:05,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:05,952 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:00:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:06,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:00:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:06,061 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:00:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:06,109 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:00:06,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2018-12-02 06:00:06,109 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:00:06,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:00:06,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:00:06,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:00:06,110 INFO L87 Difference]: Start difference. First operand 251 states and 285 transitions. Second operand 5 states. [2018-12-02 06:00:06,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:00:06,133 INFO L93 Difference]: Finished difference Result 258 states and 292 transitions. [2018-12-02 06:00:06,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:00:06,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-12-02 06:00:06,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:00:06,134 INFO L225 Difference]: With dead ends: 258 [2018-12-02 06:00:06,134 INFO L226 Difference]: Without dead ends: 258 [2018-12-02 06:00:06,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:00:06,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-12-02 06:00:06,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2018-12-02 06:00:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-12-02 06:00:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 289 transitions. [2018-12-02 06:00:06,142 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 289 transitions. Word has length 15 [2018-12-02 06:00:06,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:00:06,142 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 289 transitions. [2018-12-02 06:00:06,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:00:06,142 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 289 transitions. [2018-12-02 06:00:06,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 06:00:06,143 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:06,143 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:06,143 INFO L423 AbstractCegarLoop]: === Iteration 6 === [bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr11REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr6REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr0REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr19REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr36REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr19REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr10REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION]=== [2018-12-02 06:00:06,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:06,144 INFO L82 PathProgramCache]: Analyzing trace with hash 134051997, now seen corresponding path program 2 times [2018-12-02 06:00:06,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:00:06,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:06,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:06,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:00:06,151 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:00:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:06,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:00:06,224 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:00:06,224 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-02 06:00:06,224 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-02 06:00:06,225 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:00:06,225 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:00:06,245 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 06:00:06,246 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-02 06:00:06,325 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2018-12-02 06:00:06,325 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 06:00:06,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:00:06,357 INFO L478 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 206 treesize of output 184 [2018-12-02 06:00:06,415 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:06,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 181 treesize of output 176 [2018-12-02 06:00:06,855 WARN L180 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2018-12-02 06:00:06,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:06,879 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:06,896 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:06,949 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 163 treesize of output 166 [2018-12-02 06:00:07,476 WARN L180 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2018-12-02 06:00:07,487 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,491 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,496 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,500 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,505 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,506 INFO L478 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 141 treesize of output 151 [2018-12-02 06:00:07,724 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2018-12-02 06:00:07,731 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,736 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,740 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,745 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,751 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,756 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,762 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:07,763 INFO L478 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 109 treesize of output 143 [2018-12-02 06:00:08,024 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2018-12-02 06:00:08,031 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,034 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,037 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,041 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,046 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,050 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,054 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,059 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,060 INFO L478 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 91 treesize of output 148 [2018-12-02 06:00:08,344 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-12-02 06:00:08,353 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,357 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,360 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,364 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,368 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,372 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,377 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,381 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,386 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,390 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,391 INFO L478 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 76 treesize of output 162 [2018-12-02 06:00:08,656 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-12-02 06:00:08,665 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,668 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,671 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,674 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,677 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,680 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,683 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,686 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,689 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,691 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,694 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,697 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,699 INFO L478 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 64 treesize of output 181 [2018-12-02 06:00:08,929 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-02 06:00:08,941 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,942 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,944 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,946 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,947 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,948 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,950 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,951 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,953 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,954 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,956 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,957 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,958 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,960 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:08,961 INFO L478 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 55 treesize of output 205 [2018-12-02 06:00:08,967 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 199 [2018-12-02 06:00:08,968 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:09,061 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:09,153 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:09,293 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:09,449 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:09,635 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:09,833 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:10,029 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,033 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,047 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,052 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,065 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,070 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,082 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,130 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 139 treesize of output 161 [2018-12-02 06:00:10,871 WARN L180 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2018-12-02 06:00:10,882 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,888 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,894 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,905 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,910 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,915 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,928 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,933 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,938 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:10,954 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,003 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 161 [2018-12-02 06:00:11,853 WARN L180 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2018-12-02 06:00:11,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,865 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,871 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,874 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,878 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,882 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,887 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,893 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:11,894 INFO L478 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 122 treesize of output 156 [2018-12-02 06:00:12,187 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2018-12-02 06:00:12,195 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,199 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,203 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,207 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,210 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,214 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,217 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,221 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,225 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,228 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,232 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,233 INFO L478 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 76 treesize of output 162 [2018-12-02 06:00:12,369 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-12-02 06:00:12,374 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,375 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,376 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,377 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,378 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,379 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,380 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,383 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,384 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,385 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,387 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,388 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,389 INFO L478 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 64 treesize of output 179 [2018-12-02 06:00:12,615 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-02 06:00:12,622 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,624 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,625 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,627 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,628 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,630 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,631 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,633 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,634 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,636 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,637 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,639 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,640 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,642 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:12,643 INFO L478 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 55 treesize of output 205 [2018-12-02 06:00:12,650 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 199 [2018-12-02 06:00:12,652 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:12,758 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:12,848 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:12,945 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:13,053 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:13,266 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,271 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,275 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,279 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,284 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,289 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,300 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,305 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,310 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,316 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,321 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,324 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,342 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:13,374 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 170 [2018-12-02 06:00:14,199 WARN L180 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2018-12-02 06:00:14,208 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,211 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,215 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,219 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,223 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,227 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,231 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,235 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,238 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,242 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,244 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,247 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,250 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,253 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,255 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,273 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:14,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 27 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 188 [2018-12-02 06:00:15,099 WARN L180 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2018-12-02 06:00:15,105 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,107 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,110 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,113 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,115 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,118 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,121 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,125 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,130 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,135 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,140 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,144 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,148 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,149 INFO L478 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 131 treesize of output 197 [2018-12-02 06:00:15,374 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2018-12-02 06:00:15,379 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,381 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,382 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,384 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,385 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,387 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,388 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,390 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,391 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,393 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,394 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,395 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,397 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,398 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,400 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,401 INFO L478 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 55 treesize of output 205 [2018-12-02 06:00:15,406 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 199 [2018-12-02 06:00:15,407 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:15,498 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:15,606 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:15,832 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,835 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,838 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,841 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,843 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,846 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,848 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,851 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,852 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,855 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,858 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,871 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,878 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,885 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,891 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:15,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 35 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 209 [2018-12-02 06:00:16,645 WARN L180 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 114 [2018-12-02 06:00:16,651 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,653 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,654 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,656 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,657 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,659 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,660 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,662 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,663 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,664 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,666 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,667 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,668 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,670 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,671 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,673 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,674 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,678 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,679 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,681 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,682 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,688 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:16,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 239 [2018-12-02 06:00:16,705 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 227 [2018-12-02 06:00:16,706 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:17,077 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,079 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,083 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,084 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,086 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,087 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,088 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,089 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,090 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,091 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,093 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,094 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,095 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,096 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,097 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,098 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,103 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:17,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 237 [2018-12-02 06:00:17,116 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-12-02 06:00:17,629 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 06:00:18,208 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,210 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,211 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,213 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,215 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,216 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,218 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,220 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,221 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,223 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,225 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,226 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,228 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,230 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,232 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:18,233 INFO L478 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 142 treesize of output 221 [2018-12-02 06:00:18,241 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 199 [2018-12-02 06:00:18,242 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:18,377 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:18,915 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 06:00:19,562 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-02 06:00:20,307 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,310 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,314 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,318 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,322 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,326 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,330 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,334 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,337 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,341 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,343 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,343 INFO L478 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 119 treesize of output 174 [2018-12-02 06:00:20,592 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2018-12-02 06:00:20,599 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,610 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,611 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,615 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,617 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,619 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,621 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,623 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,625 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,627 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,630 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,633 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,633 INFO L478 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 64 treesize of output 179 [2018-12-02 06:00:20,854 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-02 06:00:20,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,864 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,865 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,867 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,870 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,871 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,873 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,874 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,876 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,878 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,879 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,881 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:20,882 INFO L478 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 55 treesize of output 205 [2018-12-02 06:00:20,887 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 199 [2018-12-02 06:00:20,888 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:20,984 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:21,084 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:21,194 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:21,970 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-02 06:00:22,835 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-12-02 06:00:23,842 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:23,846 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:23,851 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:23,856 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:23,861 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:23,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:23,871 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:23,872 INFO L478 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 124 treesize of output 143 [2018-12-02 06:00:24,130 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2018-12-02 06:00:24,138 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,143 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,148 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,152 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,156 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,161 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,165 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,170 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,175 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,176 INFO L478 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 91 treesize of output 148 [2018-12-02 06:00:24,439 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-12-02 06:00:24,447 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,451 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,455 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,458 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,461 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,465 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,468 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,471 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,475 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,478 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,479 INFO L478 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 76 treesize of output 162 [2018-12-02 06:00:24,751 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-12-02 06:00:24,756 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,759 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,762 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,765 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,767 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,770 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,772 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,774 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,777 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,779 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,781 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,783 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:24,783 INFO L478 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 64 treesize of output 179 [2018-12-02 06:00:24,996 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-02 06:00:25,000 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,002 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,003 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,005 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,006 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,008 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,009 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,011 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,012 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,014 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,015 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,017 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,018 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,020 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:25,020 INFO L478 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 55 treesize of output 205 [2018-12-02 06:00:25,025 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 199 [2018-12-02 06:00:25,025 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:25,116 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:25,206 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:25,299 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:25,399 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:25,507 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:26,610 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-12-02 06:00:27,770 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-12-02 06:00:29,061 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,065 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,066 INFO L478 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 161 treesize of output 156 [2018-12-02 06:00:29,258 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2018-12-02 06:00:29,265 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,270 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,275 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,280 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,284 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,285 INFO L478 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 130 treesize of output 147 [2018-12-02 06:00:29,515 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2018-12-02 06:00:29,523 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,528 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,532 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,537 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,541 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,547 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,547 INFO L478 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 109 treesize of output 143 [2018-12-02 06:00:29,819 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2018-12-02 06:00:29,828 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,833 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,838 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,842 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,846 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,851 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,856 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,861 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,861 INFO L478 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 91 treesize of output 148 [2018-12-02 06:00:29,976 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-12-02 06:00:29,980 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,981 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,982 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,983 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,984 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,985 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,986 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,987 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,988 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,989 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:29,990 INFO L478 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 76 treesize of output 162 [2018-12-02 06:00:30,248 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2018-12-02 06:00:30,255 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,258 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,261 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,263 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,266 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,269 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,272 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,274 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,277 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,280 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,282 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,284 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,285 INFO L478 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 64 treesize of output 181 [2018-12-02 06:00:30,507 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-02 06:00:30,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,514 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,515 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,517 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,518 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,519 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,521 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,523 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,524 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,526 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,527 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,529 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,530 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,532 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:00:30,532 INFO L478 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 55 treesize of output 205 [2018-12-02 06:00:30,537 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 199 [2018-12-02 06:00:30,538 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:30,628 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:30,719 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:30,814 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:30,911 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:31,013 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:31,122 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:31,245 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:32,600 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-12-02 06:00:33,959 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-12-02 06:00:35,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 72 dim-0 vars, and 10 xjuncts. [2018-12-02 06:00:35,211 INFO L202 ElimStorePlain]: Needed 47 recursive calls to eliminate 9 variables, input treesize:206, output treesize:1909 [2018-12-02 06:00:53,775 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-02 06:00:53,976 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:00:53,977 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.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:151) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:354) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$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.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) 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:456) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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) ... 45 more [2018-12-02 06:00:53,982 INFO L168 Benchmark]: Toolchain (without parser) took 51199.98 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 562.6 MB). Free memory was 956.0 MB in the beginning and 818.7 MB in the end (delta: 137.3 MB). Peak memory consumption was 699.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:00:53,983 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:00:53,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -80.6 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:00:53,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:00:53,985 INFO L168 Benchmark]: Boogie Preprocessor took 44.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:00:53,985 INFO L168 Benchmark]: RCFGBuilder took 842.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 912.5 MB in the end (delta: 117.1 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:00:53,985 INFO L168 Benchmark]: TraceAbstraction took 49731.43 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 435.2 MB). Free memory was 912.5 MB in the beginning and 818.7 MB in the end (delta: 93.8 MB). Peak memory consumption was 529.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:00:53,987 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 549.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -80.6 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 842.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 912.5 MB in the end (delta: 117.1 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 49731.43 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 435.2 MB). Free memory was 912.5 MB in the beginning and 818.7 MB in the end (delta: 93.8 MB). Peak memory consumption was 529.0 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 0.1.23-635dfa2 [2018-12-02 06:00:55,038 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:00:55,039 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:00:55,046 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:00:55,046 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:00:55,046 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:00:55,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:00:55,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:00:55,048 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:00:55,049 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:00:55,049 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:00:55,049 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:00:55,050 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:00:55,050 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:00:55,051 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:00:55,051 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:00:55,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:00:55,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:00:55,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:00:55,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:00:55,054 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:00:55,055 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:00:55,056 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:00:55,056 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:00:55,056 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:00:55,057 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:00:55,057 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:00:55,058 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:00:55,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:00:55,058 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:00:55,059 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:00:55,059 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:00:55,059 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:00:55,059 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:00:55,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:00:55,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:00:55,060 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2018-12-02 06:00:55,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:00:55,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:00:55,068 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:00:55,068 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:00:55,068 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:00:55,068 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:00:55,068 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:00:55,069 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:00:55,069 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:00:55,069 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:00:55,069 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 06:00:55,069 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 06:00:55,069 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:00:55,069 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 06:00:55,069 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:00:55,069 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:00:55,070 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:00:55,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:00:55,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:00:55,071 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:00:55,071 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 06:00:55,071 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:00:55,071 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 06:00:55,071 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c57ebc44b313bf301635c00d4458ecfdd41286b1 [2018-12-02 06:00:55,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:00:55,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:00:55,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:00:55,103 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:00:55,103 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:00:55,104 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/../../sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-02 06:00:55,144 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data/283eb3f56/3428c3b6d857480dae170d82c88653d4/FLAG2d97e53b5 [2018-12-02 06:00:55,525 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:00:55,526 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/sv-benchmarks/c/busybox-1.22.0/basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-02 06:00:55,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data/283eb3f56/3428c3b6d857480dae170d82c88653d4/FLAG2d97e53b5 [2018-12-02 06:00:55,884 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/data/283eb3f56/3428c3b6d857480dae170d82c88653d4 [2018-12-02 06:00:55,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:00:55,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:00:55,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:00:55,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:00:55,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:00:55,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:55" (1/1) ... [2018-12-02 06:00:55,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e5a7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:55, skipping insertion in model container [2018-12-02 06:00:55,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:00:55" (1/1) ... [2018-12-02 06:00:55,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:00:55,926 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:00:56,292 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:00:56,308 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:00:56,355 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:00:56,440 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:00:56,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56 WrapperNode [2018-12-02 06:00:56,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:00:56,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:00:56,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:00:56,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:00:56,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:00:56,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:00:56,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:00:56,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:00:56,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... [2018-12-02 06:00:56,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:00:56,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:00:56,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:00:56,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:00:56,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-02 06:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2018-12-02 06:00:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2018-12-02 06:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 06:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2018-12-02 06:00:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2018-12-02 06:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:00:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 06:00:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-02 06:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 06:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 06:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2018-12-02 06:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-02 06:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2018-12-02 06:00:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2018-12-02 06:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2018-12-02 06:00:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2018-12-02 06:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2018-12-02 06:00:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2018-12-02 06:00:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:00:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure write [2018-12-02 06:00:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2018-12-02 06:00:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2018-12-02 06:00:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:00:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:00:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 06:00:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2018-12-02 06:00:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2018-12-02 06:00:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:00:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:00:57,588 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:00:57,588 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 06:00:57,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:57 BoogieIcfgContainer [2018-12-02 06:00:57,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:00:57,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:00:57,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:00:57,592 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:00:57,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:00:55" (1/3) ... [2018-12-02 06:00:57,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf7de3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:00:57, skipping insertion in model container [2018-12-02 06:00:57,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:00:56" (2/3) ... [2018-12-02 06:00:57,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf7de3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:00:57, skipping insertion in model container [2018-12-02 06:00:57,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:00:57" (3/3) ... [2018-12-02 06:00:57,596 INFO L112 eAbstractionObserver]: Analyzing ICFG basename_false-unreach-call_true-no-overflow_true-valid-memsafety.i [2018-12-02 06:00:57,604 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:00:57,609 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 89 error locations. [2018-12-02 06:00:57,618 INFO L257 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2018-12-02 06:00:57,632 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:00:57,632 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:00:57,632 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 06:00:57,632 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:00:57,632 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:00:57,632 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:00:57,633 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:00:57,633 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:00:57,633 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:00:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states. [2018-12-02 06:00:57,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 06:00:57,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:57,650 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:57,652 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr24REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr17REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr15REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-02 06:00:57,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:57,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1752977883, now seen corresponding path program 1 times [2018-12-02 06:00:57,658 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:00:57,658 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:00:57,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:57,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:00:57,928 INFO L478 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 6 treesize of output 5 [2018-12-02 06:00:57,929 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:57,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:57,934 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 06:00:57,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:57,943 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 06:00:57,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:00:57,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:00:57,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:00:57,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:00:57,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:00:57,960 INFO L87 Difference]: Start difference. First operand 256 states. Second operand 3 states. [2018-12-02 06:00:58,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:00:58,334 INFO L93 Difference]: Finished difference Result 266 states and 301 transitions. [2018-12-02 06:00:58,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:00:58,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-02 06:00:58,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:00:58,345 INFO L225 Difference]: With dead ends: 266 [2018-12-02 06:00:58,345 INFO L226 Difference]: Without dead ends: 263 [2018-12-02 06:00:58,346 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:00:58,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-12-02 06:00:58,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 251. [2018-12-02 06:00:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-12-02 06:00:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 285 transitions. [2018-12-02 06:00:58,377 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 285 transitions. Word has length 7 [2018-12-02 06:00:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:00:58,377 INFO L480 AbstractCegarLoop]: Abstraction has 251 states and 285 transitions. [2018-12-02 06:00:58,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:00:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 285 transitions. [2018-12-02 06:00:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 06:00:58,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:58,377 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:58,378 INFO L423 AbstractCegarLoop]: === Iteration 2 === [bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr24REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr17REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr15REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-02 06:00:58,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:58,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1752977884, now seen corresponding path program 1 times [2018-12-02 06:00:58,379 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:00:58,379 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:00:58,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:58,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:00:58,615 INFO L478 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 6 treesize of output 5 [2018-12-02 06:00:58,616 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:58,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:58,626 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 06:00:58,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:58,640 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 06:00:58,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:00:58,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:00:58,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:00:58,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:00:58,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:00:58,645 INFO L87 Difference]: Start difference. First operand 251 states and 285 transitions. Second operand 3 states. [2018-12-02 06:00:59,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:00:59,100 INFO L93 Difference]: Finished difference Result 250 states and 284 transitions. [2018-12-02 06:00:59,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:00:59,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-02 06:00:59,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:00:59,102 INFO L225 Difference]: With dead ends: 250 [2018-12-02 06:00:59,102 INFO L226 Difference]: Without dead ends: 250 [2018-12-02 06:00:59,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:00:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-12-02 06:00:59,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-12-02 06:00:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-12-02 06:00:59,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 284 transitions. [2018-12-02 06:00:59,110 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 284 transitions. Word has length 7 [2018-12-02 06:00:59,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:00:59,110 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 284 transitions. [2018-12-02 06:00:59,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:00:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 284 transitions. [2018-12-02 06:00:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 06:00:59,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:00:59,111 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:00:59,111 INFO L423 AbstractCegarLoop]: === Iteration 3 === [bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr24REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr17REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr15REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-02 06:00:59,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:00:59,112 INFO L82 PathProgramCache]: Analyzing trace with hash 456831150, now seen corresponding path program 1 times [2018-12-02 06:00:59,112 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:00:59,112 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:00:59,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:00:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:00:59,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:00:59,353 INFO L478 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 6 treesize of output 5 [2018-12-02 06:00:59,353 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:00:59,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:00:59,362 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 06:00:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:00:59,391 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 06:00:59,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:00:59,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:00:59,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:00:59,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:00:59,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:00:59,395 INFO L87 Difference]: Start difference. First operand 250 states and 284 transitions. Second operand 4 states. [2018-12-02 06:01:00,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:01:00,002 INFO L93 Difference]: Finished difference Result 254 states and 288 transitions. [2018-12-02 06:01:00,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:01:00,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-12-02 06:01:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:01:00,003 INFO L225 Difference]: With dead ends: 254 [2018-12-02 06:01:00,003 INFO L226 Difference]: Without dead ends: 254 [2018-12-02 06:01:00,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:01:00,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-02 06:01:00,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2018-12-02 06:01:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-12-02 06:01:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 286 transitions. [2018-12-02 06:01:00,010 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 286 transitions. Word has length 10 [2018-12-02 06:01:00,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:01:00,010 INFO L480 AbstractCegarLoop]: Abstraction has 252 states and 286 transitions. [2018-12-02 06:01:00,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:01:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 286 transitions. [2018-12-02 06:01:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 06:01:00,011 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:01:00,011 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:01:00,011 INFO L423 AbstractCegarLoop]: === Iteration 4 === [bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr24REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr17REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr15REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-02 06:01:00,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:01:00,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1475373583, now seen corresponding path program 1 times [2018-12-02 06:01:00,012 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:01:00,012 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:01:00,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:01:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:01:00,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:01:00,263 INFO L478 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 6 treesize of output 5 [2018-12-02 06:01:00,263 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:01:00,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:00,271 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 06:01:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:01:00,325 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:01:00,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:01:00,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:01:00,582 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/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 [2018-12-02 06:01:00,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:01:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:01:00,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:01:00,668 INFO L478 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 6 treesize of output 5 [2018-12-02 06:01:00,668 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:01:00,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:00,679 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 06:01:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:01:00,680 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:01:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:01:00,707 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-02 06:01:00,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4, 4] total 8 [2018-12-02 06:01:00,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:01:00,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:01:00,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:01:00,708 INFO L87 Difference]: Start difference. First operand 252 states and 286 transitions. Second operand 9 states. [2018-12-02 06:01:03,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:01:03,049 INFO L93 Difference]: Finished difference Result 284 states and 320 transitions. [2018-12-02 06:01:03,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 06:01:03,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2018-12-02 06:01:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:01:03,051 INFO L225 Difference]: With dead ends: 284 [2018-12-02 06:01:03,051 INFO L226 Difference]: Without dead ends: 284 [2018-12-02 06:01:03,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2018-12-02 06:01:03,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-12-02 06:01:03,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 258. [2018-12-02 06:01:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-12-02 06:01:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 292 transitions. [2018-12-02 06:01:03,060 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 292 transitions. Word has length 14 [2018-12-02 06:01:03,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:01:03,060 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 292 transitions. [2018-12-02 06:01:03,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:01:03,060 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 292 transitions. [2018-12-02 06:01:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 06:01:03,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:01:03,060 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:01:03,061 INFO L423 AbstractCegarLoop]: === Iteration 5 === [bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr24REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr17REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr15REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-02 06:01:03,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:01:03,061 INFO L82 PathProgramCache]: Analyzing trace with hash 750740665, now seen corresponding path program 1 times [2018-12-02 06:01:03,061 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:01:03,061 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:01:03,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:01:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:01:03,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:01:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:01:03,328 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:01:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:01:03,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:01:03,404 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/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 [2018-12-02 06:01:03,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:01:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:01:03,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:01:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:01:03,482 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:01:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:01:03,627 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-02 06:01:03,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 7] total 13 [2018-12-02 06:01:03,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 06:01:03,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 06:01:03,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-02 06:01:03,628 INFO L87 Difference]: Start difference. First operand 258 states and 292 transitions. Second operand 13 states. [2018-12-02 06:01:04,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:01:04,085 INFO L93 Difference]: Finished difference Result 278 states and 312 transitions. [2018-12-02 06:01:04,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 06:01:04,086 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2018-12-02 06:01:04,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:01:04,087 INFO L225 Difference]: With dead ends: 278 [2018-12-02 06:01:04,087 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 06:01:04,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 77 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=168, Unknown=0, NotChecked=0, Total=272 [2018-12-02 06:01:04,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 06:01:04,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 06:01:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 06:01:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 312 transitions. [2018-12-02 06:01:04,091 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 312 transitions. Word has length 23 [2018-12-02 06:01:04,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:01:04,091 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 312 transitions. [2018-12-02 06:01:04,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 06:01:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 312 transitions. [2018-12-02 06:01:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 06:01:04,091 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:01:04,091 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:01:04,092 INFO L423 AbstractCegarLoop]: === Iteration 6 === [bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr24REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr31REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr41REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18REQUIRES_VIOLATION, __mainErr40REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr17REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr15REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr37REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr32ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr15REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr0REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr4REQUIRES_VIOLATION]=== [2018-12-02 06:01:04,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:01:04,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2044199370, now seen corresponding path program 2 times [2018-12-02 06:01:04,092 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:01:04,092 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6c2d7a0-8478-4fed-a017-65a9ec5dcc14/bin-2019/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:01:04,132 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-02 06:01:04,529 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-02 06:01:04,529 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 06:01:04,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:01:04,553 INFO L478 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 206 treesize of output 184 [2018-12-02 06:01:04,755 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 06:01:04,785 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:04,951 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 181 treesize of output 176 [2018-12-02 06:01:05,694 WARN L180 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2018-12-02 06:01:05,719 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:05,729 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:05,730 INFO L478 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 163 treesize of output 156 [2018-12-02 06:01:05,895 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2018-12-02 06:01:05,907 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:05,910 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:05,912 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:05,913 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:05,914 INFO L478 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 131 treesize of output 152 [2018-12-02 06:01:07,099 WARN L180 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2018-12-02 06:01:07,145 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:07,146 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:07,147 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:07,148 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 152 [2018-12-02 06:01:08,549 WARN L180 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2018-12-02 06:01:08,586 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:08,602 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:08,627 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:08,628 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:08,629 INFO L478 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 96 treesize of output 151 [2018-12-02 06:01:10,377 WARN L180 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2018-12-02 06:01:10,428 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:10,444 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:10,458 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:10,472 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:10,473 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:10,474 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 173 [2018-12-02 06:01:12,195 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2018-12-02 06:01:12,233 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:12,249 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:12,265 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:12,283 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:12,299 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:12,315 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:12,316 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:12,317 INFO L303 Elim1Store]: Index analysis took 118 ms [2018-12-02 06:01:12,318 INFO L478 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 77 treesize of output 186 [2018-12-02 06:01:13,932 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2018-12-02 06:01:13,961 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:13,972 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:13,983 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:13,994 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:14,007 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:14,018 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:14,019 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:14,020 INFO L478 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 62 treesize of output 216 [2018-12-02 06:01:14,031 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 210 [2018-12-02 06:01:14,031 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 06:01:14,190 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:14,356 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:14,530 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:14,735 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:14,940 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:15,139 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:15,365 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:15,718 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:15,727 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:15,730 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:15,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 166 [2018-12-02 06:01:17,862 WARN L180 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2018-12-02 06:01:17,896 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:17,910 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:17,925 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:17,925 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:17,926 INFO L478 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 142 treesize of output 155 [2018-12-02 06:01:19,052 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2018-12-02 06:01:19,102 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:19,124 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:19,125 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:19,126 INFO L478 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 114 treesize of output 144 [2018-12-02 06:01:20,567 WARN L180 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2018-12-02 06:01:20,604 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,604 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:20,605 INFO L478 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 98 treesize of output 153 [2018-12-02 06:01:20,842 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2018-12-02 06:01:20,853 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,855 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,858 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,864 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,870 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,872 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:20,874 INFO L478 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 84 treesize of output 167 [2018-12-02 06:01:22,681 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2018-12-02 06:01:22,717 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:22,731 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:22,746 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:22,761 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:22,776 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:22,792 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:22,793 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:22,793 INFO L303 Elim1Store]: Index analysis took 110 ms [2018-12-02 06:01:22,794 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 190 [2018-12-02 06:01:24,380 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2018-12-02 06:01:24,404 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:24,417 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:24,427 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:24,436 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:24,442 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:24,452 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:24,452 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:24,454 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 220 [2018-12-02 06:01:24,464 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 214 [2018-12-02 06:01:24,465 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-02 06:01:24,623 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:24,791 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:24,964 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:25,148 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:25,373 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:25,583 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:26,094 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:26,108 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:26,124 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:26,240 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:26,241 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:26,242 INFO L303 Elim1Store]: Index analysis took 185 ms [2018-12-02 06:01:26,447 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 140 treesize of output 169 [2018-12-02 06:01:28,957 WARN L180 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2018-12-02 06:01:29,003 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:29,023 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:29,024 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:29,024 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:29,025 INFO L478 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 136 treesize of output 159 [2018-12-02 06:01:30,302 WARN L180 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2018-12-02 06:01:30,341 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,359 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,360 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:30,361 INFO L478 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 96 treesize of output 151 [2018-12-02 06:01:30,578 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2018-12-02 06:01:30,586 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,588 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,590 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,592 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,592 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:30,593 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 175 [2018-12-02 06:01:30,856 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2018-12-02 06:01:30,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,865 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,867 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,869 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:30,869 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:30,869 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:30,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 198 [2018-12-02 06:01:32,514 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2018-12-02 06:01:32,541 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:32,555 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:32,567 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:32,580 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:32,581 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:32,581 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:32,583 INFO L478 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 67 treesize of output 228 [2018-12-02 06:01:32,595 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 222 [2018-12-02 06:01:32,596 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 06:01:32,800 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:32,967 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:33,153 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:33,355 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:33,592 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:34,120 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:34,144 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:34,208 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:34,279 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:34,299 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:34,359 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:34,360 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:34,360 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:34,361 INFO L303 Elim1Store]: Index analysis took 285 ms [2018-12-02 06:01:34,573 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 181 [2018-12-02 06:01:37,994 WARN L180 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2018-12-02 06:01:38,036 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:38,053 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:38,070 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:38,085 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:38,107 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:38,108 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:38,108 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:38,109 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:38,109 INFO L303 Elim1Store]: Index analysis took 114 ms [2018-12-02 06:01:38,110 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 160 [2018-12-02 06:01:39,811 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2018-12-02 06:01:39,847 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:39,867 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:39,885 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:39,902 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:39,920 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:39,940 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:39,955 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:39,955 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:39,956 INFO L303 Elim1Store]: Index analysis took 143 ms [2018-12-02 06:01:39,956 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 173 [2018-12-02 06:01:41,726 WARN L180 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 87 DAG size of output: 73 [2018-12-02 06:01:41,762 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:41,774 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:41,787 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:41,802 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:41,818 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:41,833 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:41,833 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:41,834 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:41,834 INFO L303 Elim1Store]: Index analysis took 106 ms [2018-12-02 06:01:41,835 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 192 [2018-12-02 06:01:43,393 WARN L180 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 101 DAG size of output: 84 [2018-12-02 06:01:43,415 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:43,423 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:43,435 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:43,443 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:43,450 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:43,459 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:43,469 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:43,484 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:43,484 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:43,485 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 222 [2018-12-02 06:01:43,495 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 216 [2018-12-02 06:01:43,495 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-02 06:01:43,671 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:43,843 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:44,029 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:44,267 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:44,843 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:44,902 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:44,920 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:44,974 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:44,989 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:45,010 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:45,033 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:45,064 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:45,065 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:45,065 INFO L303 Elim1Store]: Index analysis took 272 ms [2018-12-02 06:01:45,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 176 [2018-12-02 06:01:48,921 WARN L180 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2018-12-02 06:01:48,956 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:48,971 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:48,984 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:48,997 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:49,011 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:49,011 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:49,012 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 178 [2018-12-02 06:01:50,666 WARN L180 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2018-12-02 06:01:50,700 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:50,713 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:50,727 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:50,742 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:50,758 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:50,759 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:50,760 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 30 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 196 [2018-12-02 06:01:52,402 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 100 DAG size of output: 82 [2018-12-02 06:01:52,426 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:52,436 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:52,446 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:52,454 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:52,455 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:52,456 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 222 [2018-12-02 06:01:52,471 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 216 [2018-12-02 06:01:52,472 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-12-02 06:01:52,640 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:52,826 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:53,056 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:01:53,679 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,699 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,718 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,775 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,789 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,811 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,831 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,849 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,870 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,935 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,953 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,977 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:53,996 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:54,019 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:54,041 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:54,066 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:54,125 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:54,125 INFO L303 Elim1Store]: Index analysis took 491 ms [2018-12-02 06:01:54,254 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 27 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 196 [2018-12-02 06:01:58,024 WARN L180 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2018-12-02 06:01:58,064 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,079 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,120 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,137 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,157 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,209 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,224 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,242 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,259 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,310 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:01:58,311 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:01:58,311 INFO L303 Elim1Store]: Index analysis took 285 ms [2018-12-02 06:01:58,408 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 35 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 227 [2018-12-02 06:02:00,993 WARN L180 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 145 DAG size of output: 115 [2018-12-02 06:02:01,027 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,041 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,051 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,061 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,071 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,082 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,091 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,099 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,109 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,110 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:02:01,110 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-12-02 06:02:01,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 225 [2018-12-02 06:02:01,124 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 212 [2018-12-02 06:02:01,125 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-12-02 06:02:01,350 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:02:01,847 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,850 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,852 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,857 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,864 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,872 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,874 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,876 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,878 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,880 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,886 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:01,887 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:02:01,917 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 149 treesize of output 255 [2018-12-02 06:02:01,930 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 243 [2018-12-02 06:02:01,930 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-02 06:02:02,805 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,811 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,818 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,826 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,831 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,838 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,856 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,870 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,875 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,882 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:02,893 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:02:02,894 INFO L303 Elim1Store]: Index analysis took 108 ms [2018-12-02 06:02:02,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 247 [2018-12-02 06:02:02,925 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-12-02 06:02:03,993 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 06:02:05,064 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 06:02:06,498 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:06,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:06,528 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:06,542 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:06,555 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:06,568 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:06,589 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:06,590 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:02:06,590 INFO L303 Elim1Store]: Index analysis took 122 ms [2018-12-02 06:02:06,591 INFO L478 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 136 treesize of output 197 [2018-12-02 06:02:08,159 WARN L180 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 102 DAG size of output: 83 [2018-12-02 06:02:08,188 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,201 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,213 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,224 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,235 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,245 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,254 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,264 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,276 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:08,276 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:02:08,277 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-12-02 06:02:08,277 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 38 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 216 [2018-12-02 06:02:08,291 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 210 [2018-12-02 06:02:08,292 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-02 06:02:08,464 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:02:08,698 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:02:10,047 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-02 06:02:11,716 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-02 06:02:13,585 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-12-02 06:02:15,654 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-12-02 06:02:18,008 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-12-02 06:02:20,595 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-12-02 06:02:23,210 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-12-02 06:02:26,060 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:26,065 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:02:26,065 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2018-12-02 06:02:26,067 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-12-02 06:02:28,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 72 dim-0 vars, and 10 xjuncts. [2018-12-02 06:02:28,969 INFO L202 ElimStorePlain]: Needed 48 recursive calls to eliminate 10 variables, input treesize:221, output treesize:2021 [2018-12-02 06:02:54,933 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-02 06:02:55,134 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:02:55,135 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.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.push(DiffWrapperScript.java:93) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.push(WrapperScript.java:101) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.UndoableWrapperScript.push(UndoableWrapperScript.java:52) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:151) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:354) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$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:456) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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) ... 46 more [2018-12-02 06:02:55,141 INFO L168 Benchmark]: Toolchain (without parser) took 119253.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.5 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -232.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-02 06:02:55,142 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:02:55,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -113.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:02:55,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:02:55,143 INFO L168 Benchmark]: Boogie Preprocessor took 39.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:02:55,143 INFO L168 Benchmark]: RCFGBuilder took 1080.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 952.0 MB in the end (delta: 92.4 MB). Peak memory consumption was 92.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:02:55,144 INFO L168 Benchmark]: TraceAbstraction took 117550.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 945.3 MB in the beginning and 1.2 GB in the end (delta: -225.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:02:55,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 550.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -113.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1080.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 952.0 MB in the end (delta: 92.4 MB). Peak memory consumption was 92.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 117550.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 110.6 MB). Free memory was 945.3 MB in the beginning and 1.2 GB in the end (delta: -225.5 MB). There was no memory consumed. 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...